allomorph
1. al.lo.morph \'al-*-.mo.rf\ \.al-*-'mo.r-fik\ \'al-*-.mo.r-.fiz-*m\ n
[ISV] 1: any of two or more distinct crystalline forms of the same
substance 2: a pseudomorph that has undergone change or substitution of
material - al.lo.mor.phic aj
2. allomorph \.al-*-'mo.r-fik\ \'al-*-.mo.r-.fiz-*m\ n [2allo- + morpheme]
: one of two or more forms that a morpheme has at different points in the
language {the -es /*z/ of dishes, the -s /z/ of dreams, the -s /s/ of
traps, the -en /*n/ of oxen, the vowel modification distinguishing teeth
from tooth, and the zero suffix of sheep in those sheep are ~s of the same
morpheme} - al.lo.mor.phic aj