Popu rhymes with:
compu, abiquiu, accu, argue, ayscue, belue, ceaucescu, ceausescu, compu, continue, curfew, discontinue, donoghue, edu, eigenvalue, escue, eskew, florescue, grandnephew, harju, haskew, immu, ingenue, kadrescu, kismayu, lahue, leffew, lehew, maheu, maruyu, mathew, mathieu, matthew, mayhew, menu, merithew, merrihew, minchew, morphew, nephew, o'donohue, odonoghue, odonohue, overvalue, raju, rearview, rescue, seiyu, supervalu, tequiliu, tokyu, undervalue, valu, value, venue, w, w., wilthew
Popu sounds like:
p, p., pa, paap, paape, pae, paff, pah, pai, paiva, pao, pap, papa, papaw, papay, papaya, pape, papo, papp, pappa, papua, paup, pavao, pave, pavey, pavia, pavo, paw, pay, paye, payee, payoff, pea, peavey, peavy, peay, pee, peep, peeve, peevey, peevy, peewee, pei, peipu, pep, pepe, pepi, peppi, peppy, pevey, pew, pfaff, pfau, pfeiff, ph, phebe, phew, phi, phobia, phoebe, phooey, phu, phua, phy, pi, pia, pie, piepho, pih, pio, pip, pipe, pipp, po, poe, poff, poh, poo, poof, pooh, pooh-bah, poop, poovey, pop, popa, pope, popeye, popoff, popov, popp, poppa, poppe, poppea, poppy, pou, pow, powe, powwow, pu, pub, puff, puffy, puipoe, pup, pupa, pupo, puppy, pye