apophonies

/əˈpɑfəniz/
noun
  1. Plural of apophony; multiple instances of a vowel change in related words (e.g., sing, sang, sung).
    • English has several common apophonies like 'write, wrote, written.'
    • The linguist studied the apophonies in Germanic languages.
    • The textbook explained how apophonies create different verb tenses.
Synonyms
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