Here's what rhymes with phosphoenolpyru.
you u lieu lu rue loo yew yu ewe ru roux to who do two new through too few true view due knew blue drew du grew que crew threw blew coup flew q qu shoe zu clue cue dew glue hue queue shew su sue tu vous chew cu deux flue fu slew zoo brew bu flu hu ju jus ku mu nu peu pew piu pu seu shu sou thru vu woo boo chou chu coo cou doo feu fue gu hew mieux shou shrew thu tue vou vue wou wu clew goo mew moo pooh poo shoo gnu slue thew whew phew into review pursue screw anew renew accrue debut ensue stew taboo untrue adieu ado skew tattoo barbecue beaucoup revue sinew sprue tzu imbue outgrew redo strew halloo spew valuer barbeque indue bestrew prevue booboo regrew achoo atishoo withdrew bamboo canoe undue rendezvous retinue undo caribou jusqu eschew outdo vnto askew ballyhoo endue fondue foreknew zebu kazoo marabou muumuu wazoo interview revenue hitherto overview residue avenue subdue construe overdue overthrew shampoo overdo hullabaloo bugaboo peekaboo buckaroo overflew overshoe superglue overdrew overgrew kangaroo cockatoo honeydew misconstrue