2 syllables:
benter, bent her, center, centerre, centr, centre, enter, f-center, fenter, genter, guenter, henter, lentor, lent her, menter, mentor, renter, schlenter, sentar, senter, sent her, spent her, stentor, tenter, venter, ventr, ventre

3 syllables:
accentor, agentur, assenter, assentor, attenter, augmenter, augmentor, aventre, burn center, cementer, comentar, concenter, concentre, consenter, contenter, decenter, decentre, dissenter, excenter, fermenter, fermentor, gros ventre, incenter, incentre, indenter, indentor, inventar, inventor, jobcentre, lamentar, lamenter, nerve center, nerve centre, off-center, off-centre, precentor, presenter, preventer, prevent her, rack-renter, re-enter, recenter, repenter, resenter, resent her, retentor, sportscenter, storm center, storm centre, subcenter, succentor, teamcenter, thinkcentre, tormenter, tormentor, uncenter, vcenter, vientre

4 syllables:
alimentar, alimenter, anticenter, anticentre, antirenter, apocenter, apocentre, argumentar, babycenter, barycenter, barycentre, chromocenter, circumcenter, circumcentre, circumventer, circumventor, citycenter, city center, civic center, codecenter, coinventor, complimenter, control center, datacenter, day care center, dermacentor, disassenter, documentar, documenter, elementor, epicenter, forward-center, genus stentor, hypocenter, hypocentre, implementer, implementor, interventor, left-of-center, left-of-centre, metacenter, metacentre, metrocentre, moneycenter, multicenter, objectcenter, orientar, orienter, ornamenter, orthocenter, orthocentre, pericenter, placement center, rent-a-center, representar, representer, research center, residenter, right-of-center, self-tormentor, shopping center, student center, supercenter, supplementer, surgicenter, telecentre, unicenter, urban center

5 syllables:
7 world trade center, conference center, emergicenter, experimenter, financial center, hundred-percenter, medical center, misrepresenter, stereocenter

6 syllables:
activepresenter, auditory center, community center, entertainment center, municipal center

7 syllables:
respiratory center

8 syllables:
ariake gymnastics centre, special activities center

2 syllables:
ember, blender, centaur, tender, lender, splendor, spender, fender, slender, vendor, sender, temper, mender, member, vender, bender, gender, splendour, render, kemper

3 syllables:
defender, offender, extempore, contender, remember, engender, november, pretender, september, distemper, pro tempore, surrender, suspender, december, nonmember, dismember, attemper, provender, calender, attender, bad temper, big spender, board member, church member, clan member, club member, crew member, expender, ex tempore, good temper, ill temper, newsvendor, one-member, quick temper, short temper, staff member, the centaur

4 syllables:
legal tender, first offender, charter member, council member, mid-december, mid-november, mid-september, nonattender, union member

5 syllables:
canine distemper, public defender, committee member, equine distemper, faculty member, structural member

6 syllables:
grammatical gender