2 syllables:
climbable

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, clinoril, inderal, liberal, literal, littoral, mineral, pickerel, pictural, scriptural, visceral

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, barred pickerel, blue pickerel, chain pickerel, illiberal, nonliteral, peripheral

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, neoliberal

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

7 syllables:
indefinite integral, habitual criminal, reality principle, myelomeningocele, psychoanalytical, uncertainty principle, computer peripheral

8 syllables:
pauli exclusion principle