Here's what rhymes with thickknee.
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 qui si z bee li te vii je sie ti wee xi xii xiii ci glee hee hie ki lee pea ri ry tee wi wie xxi xxii xxiii dd dy gi gli hae ji kb lea quay shi shih thi whieh xxxi yi ze bb chih dee fea fie gee ghee lii pee qi quis rhe sae sci shee tiie tke xxxii xxxiii xy zi whee soignee three free degree tree agree pre decree ac plea dc flee tlie xvi xvii exp fc fhe ski tc assignee bc flea sd sibi sv xxvi xxvii alii donee lhe pari prix vendee xxxvi xxxvii goatee queerly scree settee ranee twee wormy emcee epee quinsy saree brie honoree sirree cc mit cd foresee lessee marquis db grantee pc pg referee rupee tp trainee bailee bt dp ftp jt legatee marquee pd pensee spree tb tv amphorae filigree tepee banshee bursae curie suttee aurorae escapee fusee gutsy internee returnee teepee conferee sudsy topee whoopee florae footsie puttee kedgeree yippee guarantee http nobody debris disagree devotee esprit nominee guaranty oversee quelque apogee appellee appointee consignee repartee tympani oversea undersea abscissae detainee honeybee manatee parolee prithee timpani artsy attendee invitee monody wannabe dungaree inductee guarani tootsie maharanee sultrier wannabee wintrier shoetree trustee mortgagee absentee addressee jubilee licensee bowsprit franchisee retiree amputee potpourri calliope draftee jamboree abductee enlistee singletree paltrier bourgeoisie interviewee phonology diastole hyperbole transferee bumblebee chiropody colossally deportee whiffletree axletree whippletree idiosyncrasy