Here's what rhymes with ersiiy.
by my high why die lie thy y buy guy tie vi hi shy sigh bi bye chi dye fi hy nigh pi pie thai thigh vie dei ly psi quae rye ty wir awry hai lye mai muy nai wry cy fy kai lai luy mei sy tai thei wai phi dry try cry fly sky deny rely defy spy fry ply sly pry tri trie belie pri sty ossify spry stye slier apply supply reply thereby imply nearby whereby hereby alibi pacify decry untie amoebae overlie vilify aquae deify retry vivify amebae turfy lanai scurfy versify shanghai ripply overbuy justify occupy modify alkali classify verify certify goodbye underlie alveoli fortify nullify ratify samurai lullaby pupae termini typify descry edify mollify ramify bonsai firefly triply calcify horrify stupefy overfly barfly mummify speechify banzais yuppify satisfy stimuli comply nuclei qualify specify signify testify butterfly gratify notify quantify amplify diversify magnify standby unify beautify falsify solidify terrify codify crucify dignify liquefy mortify oversupply personify resupply acidify mystify ultrahigh blowfly emulsify misapply reunify revivify liquify scarify prettify vitrify beatify drachmai refortify syllabify dandify clarify multiply simplify glorify purify rectify demystify detoxify stratify stultify petrify reclassify declassify hyperbolae gentrify identify intensify indemnify oversimplify dragonfly electrify preoccupy cumuli dissatisfy solemnify exemplify disqualify objectify misidentify transmogrify