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