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