2 syllables:
-petal, baetyl, beatle, beetle, chaetal, cheetal, dietel, e ttl, fetal, foetal, gretl, meatal, me till, ttyll

3 syllables:
acetyl, avital, bark beetle, bean beetle, bee beetle, billbeetle, blackbeetle, cevital, click beetle, decretal, dorbeetle, dung beetle, flea-beetle, flea beetle, ground beetle, hahoetal, hyetal, june beetle, leaf beetle, may beetle, oil beetle, rose beetle, rove beetle, seed beetle, snout beetle, stag beetle, varietal

4 syllables:
acropetal, axipetal, basipetal, blister beetle, carpet beetle, centripetal, chalchihuitl, deathwatch beetle, fire beetle, flour beetle, gerovital, green june beetle, intravital, ladybeetle, lady beetle, lucipetal, sawyer beetle, searcher beetle, semimetal, snapping beetle, spinipetal, supravital, tiger beetle, water beetle

5 syllables:
black carpet beetle, bombardier beetle, cellulipetal, cerebripetal, corticipetal, isohyetal, japanese beetle, ladybird beetle, popocatpetl, potato beetle

6 syllables:
colorado beetle, mexican bean beetle, oriental beetle, rhinoceros beetle

7 syllables:
buffalo carpet beetle

9 syllables:
colorado potato beetle

2 syllables:
climbable, beadle, beagle, caecal, creedal, eagle, fecal, feeble, legal, needle, people, regal, riegle, seagull, siegel, spiegel, steeple, treacle, treadle, tweedle, wheedle

3 syllables:
sinkable, cinquefoil, printable, risible, principal, synchronal, clinical, vincible, pitiful, pivotal, livable, criminal, tillable, imbecile, principle, liveable, syllable, integral, biblical, shrinkable, finagle, minimal, mythical, binnacle, thinkable, visible, quizzical, mixable, digital, biddable, visual, drinkable, pinnacle, fixable, pinochle, bridgeable, miscible, trigonal, typical, fictional, victual, a people, bald eagle, enfeeble, fish eagle, free people, french people, half eagle, ice needle, illegal, inveigle, nonlegal, plain people, porbeagle, sea eagle, spread-eagle, spreadeagle, spread eagle, swiss people

4 syllables:
unbridgeable, indictable, invisible, permissible, disenable, disyllable, pontifical, original, veridical, traditional, provisional, transmissible, forgivable, war criminal, admissible, despicable, immiscible, convincible, rescindable, assignable, equivocal, dividable, transmittable, predictable, germicidal, anticlinal, unsinkable, conditional, invincible, reciprocal, divisional, undrinkable, univocal, divisible, hospitable, unprintable, meningocele, juridical, miserable, medicinal, episcopal, nutritional, disciplinal, explicable, formidable, admittable, antipodal, additional, unthinkable, resistible, political, municipal, extricable, unlivable, transitional, dissyllable, adam's needle, british people, chosen people, common people, crochet needle, english people, extralegal, fishing eagle, flower people, golden eagle, gray sea eagle, irish people, knitting needle, packing needle, paralegal, sewing needle, slavic people, spanish people, tawny eagle

5 syllables:
eosinophil, unpredictable, paralytical, polysyllable, reconcilable, appositional, unforgivable, inhospitable, apparitional, irresistible, inadmissible, unequivocal, unoriginal, curvilineal, diacritical, aboriginal, pleasure principle, conciliable, inexplicable, archiepiscopal, unconditional, individual, octosyllable, harrier eagle, magnetic needle, phonograph needle

6 syllables:
aphrodisiacal, paradisiacal, inextinguishable, exclusion principle, definite integral, american eagle, embroidery needle, hypodermic needle, upholstery needle

7 syllables:
indefinite integral, habitual criminal, reality principle, myelomeningocele, psychoanalytical, uncertainty principle, european sea eagle

8 syllables:
pauli exclusion principle