phonotactic

/ˌfoʊnəˈtæktɪk/
adjective
  1. Relating to the rules or patterns that govern how sounds can be combined in a particular language.
    • Linguists study phonotactic patterns to understand how languages organize their sound systems.
    • The child's speech errors often violated the phonotactic rules of her native language.
    • English has phonotactic constraints that prevent words from starting with the sound 'ng'.
noun
  1. A rule or constraint that determines which sequences of sounds are allowed in a language.
    • Learning the phonotactics of a new language helps you pronounce words more naturally.
    • One common phonotactic in English is that a word cannot begin with the sound 'tl'.
    • The phonotactic that bans three consonants in a row at the start of a syllable is found in many languages.
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