suppletions
/səˈpliːʃənz/
noun
- In linguistics, the use of an unrelated word form to fill a gap in a grammatical pattern (e.g., 'went' as the past tense of 'go').
- Linguists study suppletions to understand how languages evolve.
- Irregular verbs like 'be' and 'go' show suppletions in their conjugations.
- The word 'better' is a suppletion of 'good' in English.