variant
n.
:something substantially the same, but in different form," 1848, from variant, adj..
adj.
late 14c., "tending to change," from Old French variant and directly from Latin variantem (nominative varians), present participle of variare "to change" (see vary).
〔蒋〕[vari变化,-ant形容词后缀,…的] 变异的,不同的,有差别的