Sputniks rhymes with:
beatniks, chetniks, audiotronics, avionics, beatniks, calisthenics, centronics, chamonix, chetniks, clinic's, clinics, conics, cryogenics, cynics, diasonics, dominic's, ebonics, electronics, electronics', endotronics, endotronics', enix, environics, ethnics, eugenics, fibronics, flextronics, harmonics, hispanics, histrionics, ionics, kibbutzniks, lasersonics, lumonics, mannix, mechanics, mechanics', microelectronics, minix, minnix, mnemonics, molonicks, mullenix, mullinix, mulnix, munich's, nucleonics, onyx, organics, panic's, panics, penix, pennix, personics, phenix, philharmonic's, phoenix, phonics, photronics, pinnix, plantronics, pyrotechnics, refuseniks, resnick's, respironics, sconnix, siliconix, skolniks, sonics, technics, tectonics, tektronix, telectronics, telephonics, tonics, unix, vinick's, vinnick's, vitronics
Sputniks sounds like:
septimus, shafting, shifting, sifting, softening, softens, softimage, softness, speeding, spitting, spotting, spouting, sputnik, subatomic, subduing, subotnick, swiftness