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, preanal, rechannel, semanal, sportschannel, subchannel, transchannel, two-channel, tympanal, 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:
camel, mammal, stammel, trammel

3 syllables:
tenable, equable, estival, medical, stretchable, sensual, skeletal, sextuple, pessimal, sensible, edible, meltable, vegetable, vendible, retinal, festival, aestival, flexible, spectacle, pedestal, sepulchral, bendable, legible, credible, methanal, peccable, epochal, plentiful, sectional, seconal, decimal, vegetal, seneschal, genital, skeptical, ethical, gettable, tentacle, testable, jezebel, seminal, rentable, pennoncel, requital, spendable, chemical, pentacle, bechamel, enamel, hoofed mammal, young mammal

4 syllables:
impregnable, acceptable, ineffable, conventicle, dimensional, condemnable, detectable, expressible, compensable, congressional, inflectional, electable, dispensable, preventable, unquenchable, processional, injectable, digestible, adjectival, atenolol, professional, illegible, heliacal, confessional, comestible, inflexible, delectable, insensible, ascendable, defensible, trigeminal, regrettable, contemptible, defendable, correctional, extendable, untenable, amendable, centesimal, accessible, commendable, amenable, intestinal, respectable, affectional, collectible, lamentable, expendable, directional, correctable, perceptible, receptacle, contestable, execrable, recessional, polemical, incredible, conceptional, dependable, detestable, congenital, ostensible, preferable, impeccable, forgettable, collectable, compressible, susceptible, obsessional, conventional, intentional, inedible, exceptional, extensible, female mammal, gnawing mammal, nail enamel, protomammal, tooth enamel

5 syllables:
hexadecimal, unexceptional, incompressible, apprehensible, comprehensible, inextensible, bidirectional, inaccessible, undependable, three-dimensional, neurochemical, indispensable, unconventional, nonprofessional, two-dimensional, unintentional, indigestible, hypothetical, inexpressible, reprehensible, irrepressible, pyrotechnical, insurrectional, indefensible, planetesimal, unforgettable, insusceptible, health professional, unacceptable, homosexual, unprofessional, aquatic mammal, cetacean mammal

6 syllables:
omnidirectional, semiprofessional, heterosexual, recurring decimal, unidirectional, repeating decimal, multidimensional, unidimensional, paraprofessional, arabian camel

7 syllables:
artiodactyl mammal