Physicists rhymes with:
aerodynamicists, ethicists, lyricists, publicists, aerodynamicists, bassists, ethicists, lyricists, marxists, pharmacists, publicists, racists, supremacists
Physicists sounds like:
packets, packwood's, pact's, pacts, pagoda's, pagodas, pas-de-deux, pastas, pastes, pastiche, pastiches, pasts, pectic, pesetas, pestka, pests, phagocytes, piaget's, pickets, pickett's, picts, pistachio, pistachios, pockets, posits, post's, post-attack, postage, postdates, posts, psychotic, pussycats