2 syllables:
bruker, bueker, buker, chukkar, cukor, duecker, dueker, duker, euchre, fluker, frucher, kuker, luker, mucor, muker, nuker, puker, spruiker, sucre, sueker, sukkar, sukker, sukur, zucker, zuker

3 syllables:
rebuker

4 syllables:
aerosucre, kab-500kr

2 syllables:
gutter, sputter, udder, clutter, lubber, putter, shudder, slugger, scrubber, cutter, shutter, splutter, rubber, stutter, butter, blubber, judder, supper, utter, lugger, rudder, cupper, plugger, crupper, mugger, mutter, rugger, scupper, upper, bugger, flutter, blooper, boudoir, brooder, cooper, cooter, cougar, goober, grouper, hooter, huber, huitre, krueger, looper, looter, lugar, luger, luper, neuter, pewter, scooter, shooter, snooper, souter, stupor, sudor, suitor, super, trooper, trouper, tuber, tudor, tutor, whooper

3 syllables:
shot putter, drawn butter, hard rubber, last supper, aflutter, abutter, foam rubber, rebutter, pipe cutter, cold rubber, lord's supper, glass cutter, accouter, accoutre, coluber, commuter, computer, freebooter, intruder, pea-souper, pea shooter, recruiter, square shooter, state trooper, storm trooper

4 syllables:
hugger mugger, bread and butter, cocoa butter, peanut butter, paper cutter, apple butter, henry tudor, house of tudor, motor scooter, party pooper, river cooter, trouble shooter

5 syllables:
synthetic rubber, silicone rubber, india rubber, briefcase computer, desktop computer, laptop computer, mainframe computer, microcomputer, minicomputer, notebook computer

6 syllables:
analogue computer, analog computer, digital computer, personal computer, portable computer

7 syllables:
electronic computer

9 syllables:
complex instruction set computer, reduced instruction set computer