CrypticHelper

Substitution Clue Practice

Eight flashcard-style substitution puzzles arranged from easy to hard. Cryptic crossword setters regularly replace everyday words with abbreviations drawn from chess, music, chemistry, Roman numerals, and more. Recognising these substitutions quickly is a core solving skill. For each card, think of the abbreviation or symbol before revealing the answer.

#1Easy

What does 'knight' become? (1)

Reveal answer

Answer: N

  1. Source word:knight
  2. Becomes: N
  3. Domain: Chess

In chess notation, a knight is represented by N (K is reserved for the king). Setters use "knight" to indicate the letter N.

#2Easy

What does 'doctor' become? (2)

Reveal answer

Answer: DR

  1. Source word:doctor
  2. Becomes: DR
  3. Domain: Title abbreviation

"Doctor" is commonly abbreviated to DR. This is one of the most frequent substitutions in cryptic crosswords.

#3Easy

What does 'love' become? (1)

Reveal answer

Answer: O

  1. Source word:love
  2. Becomes: O
  3. Domain: Tennis scoring

In tennis, "love" means zero, which looks like the letter O. Setters use "love" to indicate O.

#4Easy

What does 'sailor' become? (2)

Reveal answer

Answer: AB

  1. Source word:sailor
  2. Becomes: AB
  3. Domain: Naval rank

An able-bodied seaman is abbreviated AB. "Sailor" frequently signals AB in cryptic crosswords. Other possibilities include TAR or SALT.

#5Medium

What does 'gold' become? (2)

Reveal answer

Answer: AU

  1. Source word:gold
  2. Becomes: AU
  3. Domain: Chemistry (periodic table)

Gold's chemical symbol is AU (from Latin "aurum"). Setters use "gold" to indicate AU, drawing on the periodic table.

#6Medium

What does 'loud' become? (1)

Reveal answer

Answer: F

  1. Source word:loud
  2. Becomes: F
  3. Domain: Music (dynamics)

In musical notation, "forte" (meaning loud) is abbreviated to F. Setters use "loud" or "loudly" to indicate the letter F.

#7Hard

What does 'fifty' become? (1)

Reveal answer

Answer: L

  1. Source word:fifty
  2. Becomes: L
  3. Domain: Roman numerals

The Roman numeral for fifty is L. Setters use number words to signal their Roman numeral equivalents: I (1), V (5), X (10), L (50), C (100), D (500), M (1000).

#8Hard

What does 'advertisement' become? (2)

Reveal answer

Answer: AD

  1. Source word:advertisement
  2. Becomes: AD
  3. Domain: Common abbreviation

"Advertisement" is commonly shortened to AD. Setters may also use "notice" or "promotion" to signal AD in cryptic clues.

Learn more about substitution clues

If you want to understand substitution clues in depth, see the full teaching page. It covers the most common substitution categories, how setters signal them, and worked examples from real Parseword puzzles.

Substitution clues — full guide
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