Words That Rhyme With "Retentively" :
3 syllables:
festively, pensively, plaintively, restively, splendidly
4 syllables:
adventively, affectively, aggressively, ascendingly, attentively, authentically, caressively, collectively, compressively, concessively, connectively, correctively, deceptively, defectively, defensively, degressively, dementedly, depressively, digestively, directively, effectively, electively, exceptively, excessively, expensively, expressively, identically, impressively, inceptively, invectively, inventively, lamentedly, objectively, obsessively, offensively, oppressively, perceptively, perspectively, possessively, preemptively, presentively, progressively, prospectively, receptively, recessively, reflectively, repressively, respectively, selectively, subjectively, successively, suggestively, unendingly
5 syllables:
apprehensively, circumspectively, comprehensively, condescendingly, inattentively, ineffectively, inexpensively, inexpressively, inoffensively, irrespectively, retrospectively, unimpressively, unreflectively, unrelentingly