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