Here's what rhymes with cosily.
rosily nosily Words that almost rhyme with cosily
cozily socially woefully dozily antisocially totally openly locally globally vocally focally zonally notably hopefully cogency cogently copiously boastfully dolefully notionally wholesomely callosity soulfully loathsomely lonesomely soullessly atonally poetry emotionally hopelessly potency porosity probity precocity verbosity brokenly protegee twopenny leucotomy sociably ufology immodesty immodestly misogamy diplomacy supposedly laparotomy reproachfully thoracotomy composedly outspokenly unemotionally antiphonally inconsolably irreproachably uncontrollably scrupulosity