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