Here's what rhymes with obscurative.
ablative locative lenitive fricative vocative mutative transitive appositive proliferative Words that almost rhyme with obscurative
rubbish dhotis sluttish judges crutches grudges drudges nudges trudges fudges budges smudges adjudges begrudges rejudges prejudges analogise misjudges insipidus eruptive irruptive obstructive destructive productive inductive disruptive repulsive seductive conductive assumptive combustive constructive reproductive instructive compulsive impulsive convulsive presumptive subjunctive consumptive propulsive unproductive disjunctive reconstructive nondestructive nonproductive superconductive counterproductive nonconstructive