3 syllables:
angular

4 syllables:
anangular, biangular, decangular, equangular, estrangular, heptangular, hexangular, inangular, multangular, octangular, pentangular, quadrangular, quinquangular, rectangular, septangular, sexangular, subangular, surangular, triangular

5 syllables:
acutangular, birectangular, equiangular, multiangular, obtuse-angular, polyangular, subpentangular, supra-angular, trirectangular

3 syllables:
acular, adductor, agateware, albacore, amateur, annular, aquifer, atmosphere, avatar, bachelor, balancer, bannister, battledore, battler, blasphemer, blastomere, blastopore, blastosphere, blastular, cadastre, calendar, calender, caliber, caliper, camelhair, canister, cannular, canvasser, catheter, cavalier, challenger, chancellor, crackleware, dabbler, falconer, fastener, gallagher, glandular, grandmother, graniteware, granular, hackamore, handcolor, handlebar, handler, jacamar, janitor, labrador, lackluster, lacklustre, lancaster, lapplander, lavender, manager, massacre, matador, paddler, passenger, prattler, rattler, saddler, saltshaker, salvador, sapsucker, scapular, scavenger, straphanger, stratosphere, tablature, tanager, traveler, traveller, vascular, vladimir, waggoner, wagoner, wrangler, zanzibar

4 syllables:
ambassador, avascular, capacitor, church calendar, decameter, dekalitre, dekameter, diameter, elastomer, el salvador, embassador, enamelware, entablature, examiner, excalibur, french lavender, great grandmother, ground rattler, hexameter, horse wrangler, knight bachelor, lord chancellor, octameter, parameter, pentameter, san salvador, sash fastener, sea lavender, slide fastener, snap fastener, spectacular, spike lavender, stage manager, titanosaur, vernacular, vice chancellor, world traveler, zip-fastener

5 syllables:
bibliographer, acetabular, bank examiner, business traveler, city manager, cross-examiner, district manager, english lavender, farmer's calendar, fellow traveler, fellow traveller, hebrew calendar, hindu calendar, hotel manager, iron chancellor, jewish calendar, like an amateur, lord high chancellor, lunar calendar, moslem calendar, muslim calendar, paper fastener, prairie rattler, roman calendar, solar calendar

6 syllables:
appointment calendar, bypass capacitor, cardiovascular, commercial traveler, commercial traveller, general manager, hearing examiner, julian calendar, semidiameter, trimming capacitor, vernier caliper

7 syllables:
black english vernacular, corrugated fastener, gregorian calendar, medical examiner, micrometer caliper

9 syllables:
ecclesiastical calendar, electrolytic capacitor, revolutionary calendar