2 syllables:
baelor, behler, bellar, beller, celer, cellar, dehler, deller, dweller, ehler, ellar, eller, fehler, feller, geller, heller, kaehler, kehler, kellar, keller, kneller, mehler, melear, meller, mellor, neller, peller, pelor, queller, reller, scheller, schneller, sellar, seller, sell her, sheller, shelor, smeller, sneller, speller, stellar, steller, sweller, teler, teller, tell her, velir, wehler, weller, yeller, zeller

3 syllables:
angella, appellare, batteler, best-seller, bestseller, best seller, bierkeller, bookcellar, bookseller, book seller, bordeller, castellar, cave dweller, celldweller, chiseller, compel her, crassweller, cupeller, dispeller, druckfehler, drumheller, expeller, flagellar, foreteller, gfeller, good speller, impeller, impellor, indweller, lake-dweller, lamellar, langella, larzelere, mackellar, marsteller, marteler, marveller, mckellar, mckeller, micellar, mikkeller, miles teller, modeller, nucellar, ocellar, outdweller, patellar, poor speller, print seller, propeller, propellor, rappeller, rathskeller, ratskeller, rebeller, repeller, reseller, root cellar, rostellar, rumseller, salt-cellar, saltcellar, scutellar, slop-seller, storm cellar, subcellar, substellar, surtshellir, tale-teller, tessellar, truth-teller, umbellar, vieillir, wine cellar

4 syllables:
bottom-dweller, cerebellar, circumstellar, cloud-compeller, columellar, cottage dweller, cyclone cellar, fortune-teller, fortuneteller, frikadeller, interpeller, interstellar, island-dweller, pedicellar, prepatellar, rockefeller, schlaer-mellor, screw propeller, story-teller, storyteller, subpatellar, subumbrellar, suprasellar, taleteller, teffeteller, underseller

5 syllables:
airplane propeller, infrapatellar, interlamellar, suprapatellar, tornado cellar

6 syllables:
automated teller, automatic teller, john d. rockefeller, michael rockefeller, oysters rockefeller, sarah michelle gellar, spinocerebellar, stationery seller, supracerebellar

9 syllables:
olivopontocerebellar