2 syllables:
ahner, awner, bahner, bonner, bonnor, brauner, brawner, bronner, chronar, conar, conner, connor, conor, donar, doner, donner, fawner, fonar, fonner, goner, hahner, honor, honore, honour, jahner, konner, launer, lawner, on her, pawner, pawnor, ponor, prawner, sonner, spawner, swaner, swanner, wanner, yawner, yonner, zahner, zauner, zonar

3 syllables:
abonar, bart conner, bikaner, boutonner, braconner, chantonner, couponer, couronner, detonar, dishonor, dishonour, micronor, o'conner, o'connor, o'conor, oconner, oconnor, sazonar, stl-1a, upon her, yukoner

4 syllables:
afrikaaner, afrikaner, aiguillonner, ale-conner, aleconner, amontonar, antiphoner, cachetonner, coordonner, guard of honor, josh o'connor, made of honor, marathoner, mh-1a, point of honor, word of honor

5 syllables:
amerikaner, badigeonner, brian o'conner, carroll o'connor, donald o'connor, frances o'connor, medal of honor

6 syllables:
flannery o'connor, ruairi o'connor, sandra day o'connor, ultramarathoner

9 syllables:
congressional medal of honor

2 syllables:
handler, bomber, calmer, dahmer, palmer

3 syllables:
balancer, crackleware, canister, rattler, bachelor, matador, cannoneer, glandular, aquifer, lacklustre, lavender, prattler, manager, scapular, traveler, traveller, chancellor, vascular, fastener, samovar, handlebar, grandmother, lancaster, tanager, ampullar, bannister, granular, sapsucker, atmosphere, amateur, half-brother, papaver, landlubber, acinar, scavenger, hadrosaur, absconder, saddler, clawhammer, hackamore, annular, cavalier, avatar, salvador, wrangler, labrador, basilar, catheter, calendar, challenger, wagoner, canvasser, bandoleer, caliber, battledore, cannular, falconer, passenger, massacre, jacamar, malodor, man-of-war, palaver, gadgeteer, phalanger, blackamoor, lackluster, waggoner, tablature, baluster, zanzibar, angular, caliper, blastomere, blastosphere, albacore, janitor, stratosphere, straphanger, dive bomber, embalmer

4 syllables:
spectacular, avascular, enamelware, peradventure, apatosaur, tyrannosaur, ambassador, rectangular, diameter, embassador, stage manager, great grandmother, snap fastener, san salvador, capacitor, lord chancellor, vernacular, slide fastener, triangular, decameter, parameter, spike lavender, el salvador, excalibur, milliammeter, knight bachelor, examiner, gametophore, titanosaur, sea lavender, decaliter, pentangular, elastomer, dekameter, kala-azar, vice chancellor, oracular

5 syllables:
jewish calendar, city manager, enantiomer, acetabular, fellow traveler, hindu calendar, roman calendar

6 syllables:
julian calendar, vernier caliper, cardiovascular

7 syllables:
medical examiner, gregorian calendar