Phonotactics

Definition

Phonotactics describes which sequences of sounds (and, by extension, letters) a language allows. English permits ST- at the start of a word but not TK-, for example.

Why it matters

Phonotactic rules let you instantly discard impossible arrangements of your clues without enumerating them.

Examples

• Valid onset ST- in STONE.
• Impossible onset like 'PFL' at a word's start.

Best practices

• Reject candidates with illegal letter sequences.
• Trust your ear for what 'sounds like English'.

Frequently asked