Or search: volatile, vaporific, vapourific, vaporizable, vapourisable, volatilisable, volatilizable
3 Syllables: SUU
admirable, fashionable, favorable, miserable, preferable
4 Syllables: SUUU
answerable, applicable, charitable, favourable, habitable, honorable, honourable, measurable, memorable, navigable, palatable, pleasurable, separable, tolerable, venerable, vulnerable
4 Syllables: USUU
desirable, discoverable
5 Syllables: USUUU
considerable, dishonorable, dishonourable, imaginable, incomparable, inexorable, innumerable, inseparable, insufferable, insuperable, intolerable, invulnerable, irreparable, recoverable, unalterable, unanswerable, unconquerable, unfashionable, unfathomable, unfavorable, unfavourable, unpalatable, unutterable
5 Syllables: UUSUU
undesirable
6 Syllables: UUSUUU
inconsiderable, ineradicable, unendurable, uninhabitable

Found 51 words across 6 groupings.