2 syllables:
anael, anele, anile, annal, anne hill, annul, cannel, cannell, can ill, channel, channell, crannell, danel, danil, fannel, flanel, flanell, flannel, ganil, hanel, hannele, janel, kanal, kanel, kanell, kannel, manal, panal, panel, pannel, pannell, pannill, rannel, scannell, scrannel, shanel, shanell, shannel, stannel, trannel

3 syllables:
2channel, b-channel, back-channel, backchannel, chambranle, choanal, clear-channel, co-channel, cpanel, cross-channel, disannul, dismantle, empanel, enchannel, heptanal, imanol, impanel, leigh whannell, mcdanel, mcdannel, mixpanel, nonanal, pentanal, preanal, rechannel, semanal, sportschannel, subchannel, transchannel, two-channel, unpannel

4 syllables:
abravanel, aquamanile, canton flannel, control panel, cotton flannel, cryptochannel, disney channel, display panel, dodecanol, english channel, etherchannel, ethics panel, eurochannel, interchannel, microchannel, multi-channel, multichannel, omnichannel, perampanel, perianal, single-channel, solar panel

5 syllables:
belomorkanal, hexacosanol, instrument panel, policosanol, transmission channel

7 syllables:
communication channel

2 syllables:
climbable, camel, mammal, stammel, trammel

3 syllables:
sinkable, cinquefoil, printable, risible, principal, synchronal, clinical, vincible, pitiful, pivotal, livable, criminal, tillable, imbecile, principle, liveable, syllable, integral, biblical, shrinkable, finagle, bimetal, minimal, mythical, binnacle, thinkable, visible, quizzical, mixable, digital, biddable, visual, drinkable, pinnacle, fixable, pinochle, bridgeable, miscible, trigonal, typical, fictional, victual, bechamel, enamel, hoofed mammal, young mammal

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, female mammal, gnawing mammal, nail enamel, protomammal, tooth enamel

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, aquatic mammal, cetacean mammal

6 syllables:
aphrodisiacal, paradisiacal, inextinguishable, exclusion principle, definite integral, arabian camel

7 syllables:
indefinite integral, habitual criminal, reality principle, myelomeningocele, psychoanalytical, uncertainty principle, artiodactyl mammal

8 syllables:
pauli exclusion principle