2 syllables:
barrel, carol, carole, carrel, carrol, carroll, charyl, darell, garrol, harral, harrel, harrill, jarel, jaryl, karylle, maril, parral, parrel, parrill, scarole, baril, behrle, beril, berol, berrill, beryl, burel, burell, caral, caryl, ceryl, ceryle, cherrelle, cheryl, cheryll, darrel, darrell, darryl, daryl, daryll, derryl, deryle, erol, errol, farol, farrel, farrell, feral, ferol, ferrall, ferrell, ferrol, ferryl, harel, harrell, herrell, herrle, jerel, jerrel, jerrell, jheryl, karel, kerel, merel, merrell, merrill, meryl, meryll, nerol, perel, peril, querele, saral, seral, sharyl, sherill, sherrell, sherrill, sherryl, sheryl, sheryll, steril, sterile, terral, terrel, terrell, terrill, their ill, there'll, therrell, verel, verile, verrall, verrel, wehrle, wherell

3 syllables:
appareil, barcarole, beer barrel, glutaral, gunbarrel, gun barrel, jim carroll, mccarrell, mccarroll, o'carroll, o'farrell, ocarroll, ofarrell, pork barrel, rain barrel, trash barrel, unbarrel, wine barrel, amaryl, apperil, cacharel, carbaryl, chimeral, courbaril, emperil, esterel, glyceryl, gomeril, goneril, imperil, maceral, manderil, moderil, pork-barrel, prepuberal, reparel, self-sterile, troparil, truereal, unsterile, valeryl, vistaril

4 syllables:
bobby farrell, christmas carol, dimebag darrell, disapparel, lewis carroll, perry farrell, pickle barrel, reapparel, rear of barrel, unapparel, amphicheiral, brachyceral, chrysoberyl, cracker-barrel, double-barrel, gary merrill, single-barrel, sycoceryl, tocopherol, yellow peril

6 syllables:
alpha-tocopherol

2 syllables:
cure-all, rural, spiral, mural, sorrel, tirol, floral, coral, zoril, jural, choral, neural, viral, virile, moral, saurel, goral, quarrel, laurel, oral, squirrel, plural

3 syllables:
referral, red coral, brain coral, immoral, bay laurel, deferral, sheep laurel, wood sorrel, balmoral, demurral, spurge laurel, auroral, red squirrel, ground squirrel, fox squirrel, sheep sorrel, amoral, aboral, binaural, black squirrel, bog laurel, cat squirrel, clitoral, conferral, dog laurel, figural, french sorrel, furfural, lake aral, pig laurel, procural, red sorrel, rock squirrel, sheep's sorrel, sororal, spruce squirrel, striped squirrel, swamp laurel, transferral, tree squirrel, true laurel, unmoral, wood laurel

4 syllables:
intramural, epidural, mountain laurel, stony coral, cherry laurel, flying squirrel, antiviral, common sorrel, douglas squirrel, extramural, garden sorrel, mushroom coral, parka squirrel, precious coral

5 syllables:
antelope squirrel, arctic ground squirrel, common wood sorrel, creeping wood sorrel, eastern fox squirrel, eastern gray squirrel, jamaica sorrel, sassafras laurel, western gray squirrel

6 syllables:
california laurel, american laurel, gorgonian coral, northern flying squirrel, richardson ground squirrel, southern flying squirrel, violet wood sorrel

7 syllables:
inflationary spiral, american red squirrel, whitetail antelope squirrel

8 syllables:
american flying squirrel