Pests rhymes with:
arrests, attests, bequests, best's, breasts, chests, crests, digests, divests, fests, guest's, guests, guests', infests, invests, jests, midwest's, molests, natwest's, nests, northwest's, norwest's, quests, reinvests, requests, rests, retests, southwest's, suggests, test's, tests, tests', vests, west's
Pests sounds like:
packets, packwood's, pact's, pacts, pagoda's, pagodas, pas-de-deux, pastas, pastes, pastiche, pastiches, pasts, pectic, pesetas, pestka, phagocytes, physicists, piaget's, pickets, pickett's, picts, pistachio, pistachios, pockets, posits, post's, post-attack, postage, postdates, posts, psychotic, pussycats