Here's what rhymes with spontanee.
me knee ne mi ni nee mea mee ny nae nie rny be he we she t de see d p pp b c sea v ve key di g tea thee ye fee si z ac bee li te vii je sie ti wee xi xii xiii ci hee hie ki lee pea ri ry tee wi wie dd dy gi hae ji lea quay shi shih thi trainee whieh yi ze bailee bb chih dee donee fea fie gee ghee jt lii pee qi rhe sae sci shee tiie tke xy zi whee three free tree pre qui plea dc flee tlie fc fhe glee ski tc xxi xxii xxiii bc db flea gli kb pc pg sv tp xxxi alii bt dp lhe pari pd pensee prix quis tb tv tympani xxxii xxxiii tepee banshee bursae detainee ranee timpani twee wormy emcee epee internee saree teepee brie honoree topee puttee degree agree decree http nobody cc mit debris xvi xvii cd lessee marquis nominee assignee rupee sd sibi xxvi xxvii apogee appellee appointee ftp marquee spree vendee xxxvi xxxvii amphorae goatee queerly scree settee undersea parolee prithee suttee artsy attendee aurorae quinsy returnee dungaree jamboree whoopee sirree soignee tootsie yippee paltrier trustee devotee esprit exp foresee absentee addressee grantee jubilee oversee referee consignee repartee transferee bowsprit franchisee oversea retiree abscissae amputee bumblebee curie honeybee manatee potpourri escapee fusee gutsy invitee monody wannabe conferee draftee sudsy abductee florae footsie inductee kedgeree maharanee wannabee wintrier shoetree guarantee disagree mortgagee guaranty interviewee licensee phonology quelque diastole hyperbole legatee calliope deportee enlistee guarani sultrier bourgeoisie filigree chiropody colossally singletree whiffletree whippletree axletree idiosyncrasy