How To Solve A Cryptogram (2024)

A cryptogram is a puzzle with an encrypted message, where each letter in the message has been substituted by another letter of the alphabet. As you guess each substitution, add the letter everywhere it occurs in the puzzle, and the message will start to reveal itself.

The example puzzle below contains an encrypted quotation by the late great Robbie Coltrane.

How To Solve A Cryptogram (1)

Getting started

These can help you start solving a cryptogram:

1 Words with the given letter

2 One-letter words

3 Words with an apostrophe

4 Letter patterns in words

5 Letter frequency in the puzzle

1 Words with the given letter

First, look at the words containing the given letter (‘G’ in the example). In this puzzle, the best starting point is probably G_ _ _G. The most likely answer is GOING (as GULAG is unlikely in a celebrity quote!). You could pencil in GOING now or look for further confirmation — up to you.

2 One-letter words

Turning to the other letters in the word G_ _ _G, we see that one of the letters (‘E’) also appears at the start of the puzzle, on its own as a one-letter word.

There are two commonly found one-letter words in English: ‘A’ and ‘I’. (‘O’ is found in exclamations only.) This message contains two different one-letter words, represented by the letters ‘E’ and ‘F’ in the cryptogram.

Substituting the letter ‘E’ in G_ _ _G with ‘A’ or ‘I’ would give ‘G_ A _G’ or ‘G_ I _G’ respectively. This again makes GOING the most likely answer. And, logically, if the one-letter word ‘E’ is ‘I’, then the other one-letter word ‘F’ must be ‘A’.

How To Solve A Cryptogram (2)

3 Words with an apostrophe

A single letter following an apostrophe could represent ‘S’, ‘T’ or ‘D’. In a long word (as in this puzzle), the letter after the apostrophe is likely to be ‘S’.

4 Letter patterns in words

Keep an eye out for double letters and any other repeated letter patterns in words, as these are often the easiest words to decipher, especially in combination with the given letter. In English, double letters could be the vowels EE or OO, or the consonants BB, CC, DD, FF, GG, LL, MM, NN, PP, RR, SS, TT, ZZ.

In this puzzle, if ‘H’ after the apostrophe represents ‘S’, then the word HBBXH in the third row is S_ _ _S. ‘B’ in that word must represent a vowel, and it can’t be ‘UU’, ‘AA’ or ‘II’, so it must be ‘OO’ or ‘EE’. We’ve already had ‘O’ in GOING, so we can be fairly certain that ‘B’ represents ‘E’, which gives SEE_S.

SEE_S could be SEEDS, SEEKS, SEEMS, SEEPS or SEERS, so look at the words that follow it: ‘_O _E GOING’. A reasonable guess is SEEMS TO BE GOING.

Before the apostrophe is the letter pattern E-T-L, which is repeated at the end of the word we’ve guessed to be GOING. So, E-T-L is the common letter pattern I-N-G.

5 Letter frequency in the puzzle

If you’re struggling to get started with any cryptogram, look for the most common letter in the puzzle. In English texts, the most frequently occurring letter is ‘E’. In this puzzle, the letter ‘B’ is the most common letter, so you can pencil in ‘E’ as a likely substitution for ‘B’.

Taken together, this gives us the word E_E_ _ _ _ING’S, which is likely to be EVERYTHING’S.

Making progress

These will help you polish off a cryptogram:

1 Knowing how English works

2 Keeping track of letters, especially vowels

3 Guessing what the celebrity might say

1 Knowing how English works

Short words in cryptograms can be helpful, as two- and three-letter words in English are often grammatical words. For example, prepositions, such as ON, IN, TO, AT; the articles A, AN and THE; conjunctions, such as AND, OR, BUT, IF; personal pronouns, such as ME, HE, WE, SHE.

‘S’ is often found at the end of English words as a plural noun or verb form.

2 Keeping track of letters, especially vowels

Every English word contains at least one of the five vowels or Y, and many cryptogram puzzles contain all the vowels and Y. Keep track of which vowels you’ve already used, and which are still to go in. ‘Q’ in English is almost always followed by ‘U’.

3 Guessing what the celebrity might say

Unsurprisingly, quotes by famous people often have ‘I’, ‘my’ or ‘me’ in them. Film stars love to talk about films, musicians about music, and sportspeople about winning!

Practicalities

  • Jot down the letters A to Z to the side of the puzzle, keeping a note of the substitutions as you go. For example, E=I, H=S, L=G.

  • Solve the puzzle in pencil so you can erase guesses if needed.

And, in case you were wondering, here’s the completed cryptogram:

How To Solve A Cryptogram (3)

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How To Solve A Cryptogram (2024)

FAQs

How to solve a cryptogram step by step? ›

Cryptography 101: Basic solving techniques for substitution ciphers
  1. Scan through the cipher, looking for single-letter words. ...
  2. Count how many times each symbol appears in the puzzle. ...
  3. Pencil in your guesses over the ciphertext. ...
  4. Look for apostrophes. ...
  5. Look for repeating letter patterns.
Sep 27, 2021

How do you decode a cryptogram puzzle? ›

A cryptogram is a puzzle with an encrypted message, where each letter in the message has been substituted by another letter of the alphabet. As you guess each substitution, add the letter everywhere it occurs in the puzzle, and the message will start to reveal itself.

How to beat cryptogram? ›

The key, so to speak, is to look at some of the conventions of the English language and play a game of percentages and educated guesses.
  1. Look for Popular Letters. ...
  2. Solve the Short Words. ...
  3. Spot the Repeated Letters. ...
  4. Look for Digraphs. ...
  5. Go for the Unusual. ...
  6. Don't Overlook the Obvious. ...
  7. Look for the Pattern. ...
  8. So, What Is the Code?
Mar 7, 2023

How does a cryptogram work? ›

A cryptogram is a kind of word puzzle, like a crossword puzzle. Instead of definitions, though, a cryptogram gives you the actual words of a quotation, but with each letter replaced with a different letter. For example, each letter A in the original text might be replaced with an F.

What is the strategy for solving cryptograms? ›

The basic strategy is to continually build on what you have, using the letters you know to help figure out other letters and words in the message. Check the list of letters you've used (which are marked off automatically at the top of the puzzle) as you go to help you think about your possibilities.

How to solve a cryptogram without a key? ›

To solve cryptograms without hints, start by identifying common one-letter words, like "a" or "I," and look for repeated patterns. Analyze word lengths, letter frequencies, and context clues.

What is the cryptogram code? ›

Cryptograms in newspapers and magazines are usually based on a simple substitution cipher, often replacing each letter in the alphabet with a different one. The letter A, for example, might be represented by the letter K, while the letter K is represented by the letter R.

How do you solve the codebreaker puzzle? ›

The key to doing so is understanding the rules of the English language – what letters often appear together (eg, Q and U), how words begin and end (eg, words starting with 'ck', 'dt' and 'fg' do not exist), and common repetition of vowels and consonants ('ss', 'tt', 'rr', 'oo', 'ee' etc).

What makes a cryptogram hard? ›

The less recognizable a pattern, the tougher it is. Common patterns; Book, tool and moon would be hard to decode. Adding reel, rook and room would be a challenge, too. Isomorphs – words that never use a letter twice – can be as hard when, for example, all the words are also six letters long.

Do cryptograms help your brain? ›

Cryptograms are similar to card games and crossword puzzles. Completing cryptograms helps keep the mind sharp and teaches perseverance, according to Dworkin. “Solving cryptograms is valuable for us older heads whose memory and deductive reasoning abilities decrease as we age,” Dworkin said.

What is cryptograms substitution code? ›

General Substitution Ciphers substitute one letter of the alphabet with another letter or symbol. For example, in a piece of text the word THE may be replaced by the word FSQ, where F represents T, and S represents H, and Q represents an E. This will keep the message secret from prying eyes.

What is a cryptogram with numbers? ›

A cryptogram is a mathematical puzzle where various symbols are used to represent digits, and a given system has to be true. The most common form is a mathematical equation (as shown below), but sometimes there can be multiple equations or statements.

What is the best way to start a cryptogram? ›

#1. Start with the one-letter words.

In the english language, the only two commonly used one-letter words are I and a, so it's usually a safe bet that any single-letter word in your puzzle can be decoded to one of those two.

What is the difference between a cipher and a cryptogram? ›

A cipher is a type of cryptographic algorithm. Cryptography is the broader field that encompasses all methods of protecting information, including encryption, decryption, digital signatures, and more. A cipher specifically refers to the mathematical process used for encryption and decryption.

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