Cumulative rhymes with:
noncumulative, noncumulative, noncumulative, noncumulative, noncumulative, speculative, noncumulative, speculative, contemplative, expletive, noncumulative, relative, speculative, superlative
noncumulative, noncumulative, noncumulative, noncumulative, noncumulative, speculative, noncumulative, speculative, contemplative, expletive, noncumulative, relative, speculative, superlative