3 syllables:
frolicker, jolicoeur, polacre, sollicker, stahlecker

5 syllables:
alkoholiker

2 syllables:
whooper, booger, snooper, neuter, pewter, super, suitor, grouper, hooter, stupor, boudoir, cougar, goober, brooder, tutor, blooper, looter, looper, cooter, cooper, scooter, souter, tudor, shooter, luger, tuber, sudor, mucor, trouper, trooper

3 syllables:
storm trooper, recruiter, commuter, computer, square shooter, accouter, croupier, accoutre, intruder, alcazar, almoner, blockbuster, bolivar, cocklebur, colander, columnar, commissar, commodore, commoner, common murre, conifer, cottager, globular, gobbler, godmother, gospeler, gospeller, gossamer, gossiper, groveller, hollander, holloware, hosteller, jocular, modeler, monitor, monomer, nodular, ocular, oliver, onager, polymer, pompadour, popular, promiser, promisor, quadrature, slopseller, sodbuster, swashbuckler, troposphere, wobbler

4 syllables:
motor scooter, party pooper, commutator, algometer, assam rubber, astrologer, astronomer, atmometer, bilocular, binocular, biographer, black hollander, chronometer, compositor, copolymer, cosmographer, demographer, dock-walloper, ethnographer, femtometer, geographer, geometer, heart monitor, hectometer, hodometer, horologer, hydrometer, hygrometer, kilometer, lithographer, micrometer, odometer, pedometer, philosopher, photographer, picometer, pisanosaur, pornographer, psychrometer, pyrometer, sclerometer, spectrometer, speedometer, spherometer, subocular, tachometer, thermometer, tintometer, typographer, unpopular, viscometer

5 syllables:
desktop computer, laptop computer, microcomputer, minicomputer, mainframe computer, air thermometer, anemometer, audiometer, bibliographer, choreographer, craniometer, declinometer, densitometer, dynamometer, electrometer, eudiometer, gas thermometer, goniometer, inclinometer, interlocutor, lexicographer, magnetometer, mass spectrometer, meat thermometer, mileometer, oceanographer, piezometer, press photographer, radiographer, radiometer, refractometer, salinometer, sensitometer, simon bolivar, tacheometer, variometer, vinyl polymer

6 syllables:
digital computer, analogue computer, portable computer, personal computer, analog computer, accelerometer, african monitor, autobiographer, beckman thermometer, candy thermometer, cardiac monitor, cinematographer, cubic kilometer, evaporometer, historiographer, interferometer, oven thermometer, platinum thermometer, potentiometer, silicone polymer, telethermometer, thermohydrometer

7 syllables:
centigrade thermometer, clinical thermometer, electric thermometer, fahrenheit thermometer, mercury thermometer, political commissar, radiomicrometer, resistance thermometer, reversing thermometer, vernier micrometer

8 syllables:
electrodynamometer

9 syllables:
electronic fetal monitor, radio interferometer

11 syllables:
maximum and minimum thermometer