contrastive

adjectives

of words so related that one contrasts with the other

"`rich' and `hard-up' are contrastive terms"

is derived from

strikingly different; tending to contrast

"contrasting (or contrastive) colors"

contrasting, contrastive

is derived from

syntactically establishing a relation of contrast between sentences or elements of a sentence

"disjunctive conjunctions like `but', `or', or `though' serve a contrastive function"

contrastive

is similar to

serving or tending to divide or separate

domain category

the branch of linguistics that deals with syntax and morphology (and sometimes also deals with semantics)