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