Here's what rhymes with andsummative.
native dative nonnative oxidative annotative creative innovative imitative iterative vegetative educative meditative dissipative evaporative connotative emulative cooperative authoritative associative evaluative integrative radiative denotative copulative cogitative legislative quantitative qualitative collaborative appreciative investigative dissociative regulative stimulative interpretative deliberative manipulative accumulative procreative unappreciative administrative rehabilitative nonadministrative Words that almost rhyme with andsummative
cages sages rages phages wadis wadges engages mutatis disengages bellyaches reengages macrophages greengages invasive abrasive evasive plaintive pervasive persuasive noninvasive unpersuasive dissuasive nonabrasive