2 syllables:
epher, ephor, feffer, geffre, heifer, hepher, jeffer, keffer, kefir, peffer, pfeffer, schaeffer, scheffer, sefer, shaeffer, sheffer, treffer, trefor, xephyr, zephyr

3 syllables:
cross-refer, djedefre, gath-hepher, jac schaeffer

4 syllables:
gittah-hepher, hasenpfeffer, lincoln-zephyr

2 syllables:
neither, beaver, either, lever, greaser, seizure, freezer, squeezer, teaser, griever, cleaver, tweezer, seashore, leisure, caesar, ether, heaver, weaver, breather, geezer, fever, leaver, aesir, aether, blether, chevre, clever, dresser, ever, feather, fresher, heather, leather, lesser, lessor, measure, nether, never, pleasure, pressure, sever, tether, tevere, thresher, treasure, trevor, weather, wether, whether

3 syllables:
brain fever, buck fever, reliever, dengue fever, believer, swamp fever, hay fever, tick fever, conceiver, deceiver, receiver, q fever, retriever, achiever, appeaser, trench fever, perceiver, aggressor, air pressure, assessor, at leisure, bad weather, beach heather, bell heather, blood pressure, board measure, carrefour, cold weather, compressor, confessor, crushed leather, depressor, displeasure, dry measure, endeavor, endeavour, fair weather, false heather, flight feather, foot lever, forever, gayfeather, good weather, guenevere, high-pressure, high pressure, hot weather, however, long measure, lopressor, low pressure, oil pressure, ooze leather, oppressor, possessor, professor, quill feather, raw weather, refresher, scots heather, sea feather, shoe leather, sound pressure, square measure, successor, suppresser, suppressor, tape measure, together, transgressor, wash leather, whatever, whenever, wherever, whichever, white feather, white heather, white leather, whit leather, whoever, whomever, yard measure

4 syllables:
julius caesar, mountain beaver, misbeliever, malta fever, unbeliever, valley fever, mountain fever, typhoid fever, shipping fever, rabbit fever, disbeliever, eager beaver, ethyl ether, parrot fever, splenic fever, spotted fever, scarlet fever, deer fly fever, yellow fever, texas fever, typhus fever, dandy fever, acupressure, add together, air compressor, all together, altogether, band together, bring together, bunch together, cantilever, clap together, close together, come together, common measure, compound lever, contour feather, crowd together, cubic measure, desperate measure, draw together, fudge together, full professor, get together, golden heather, gold of pleasure, hang together, high blood pressure, lash together, league together, liquid measure, live-forever, pack together, patent leather, piece of leather, princess feather, pull together, purple heather, put together, russia leather, saddle feather, sew together, sickle feather, slap together, spike suppressor, stay together, stick together, surge suppressor, tax assessor, throw together, vapor pressure, whatsoever, window dresser

5 syllables:
glandular fever, recurrent fever, rheumatic fever, golden retriever, relapsing fever, calling together, circular measure, cobble together, coming together, compartment pressure, defensive measure, english professor, huddle together, lady of pleasure, linear measure, living together, osmotic pressure, primary feather, sexual pleasure, withersoever

6 syllables:
labrador retriever, hemorrhagic fever, satellite receiver, epileptic seizure, arterial pressure, assistant professor, atmospheric pressure, barometric pressure, brewer's mountain heather, bringing close together, capacity measure, diastolic pressure, imitation leather, information measure, in the altogether, radiation pressure, visiting professor

7 syllables:
chesapeake bay retriever, associate professor

8 syllables:
rocky mountain spotted fever, mediterranean fever, instantaneous sound pressure

9 syllables:
acoustic radiation pressure