Pestka rhymes with:
garstka, kostka, butka, chykatka, ditka, dutka, garstka, kamchatka, kosmatka, kostka, latka, nitka, peroutka, sabatka, sitka, sobotka, winnetka
Pestka sounds like:
packets, packwood's, pact's, pacts, pagoda's, pagodas, pas-de-deux, pastas, pastes, pastiche, pastiches, pasts, pectic, pesetas, pests, phagocytes, physicists, piaget's, pickets, pickett's, picts, pistachio, pistachios, pockets, posits, post's, post-attack, postage, postdates, posts, psychotic, pussycats