allomorph
noun /ˈæləmɔːf/
/ˈæləmɔːrf/
(linguistics- one possible form of a particular morpheme. The forms /s/, /z/ and /ɪz/ in cats, dogs and horses are allomorphs of the plural ending s.
语素变体(如 cats、dogs、horses 中的 /s/ 、/z/ 和/ɪz/ 是复数词尾 s 的变体)词源1940s: from allo- ‘other, different’ + morpheme.