Or search: genial, affable, cordial
3 Syllables: SUU
capable, changeable, enviable, malleable, payable, permeable, pitiable, traceable, variable
3 Syllables: UUS
agreeable, foreseeable
4 Syllables: USUU
attainable, available, debatable, incapable, insatiable, invariable, obtainable, unchangeable, unenviable, unshakable
4 Syllables: UUUS
disagreeable
5 Syllables: UUSUU
ascertainable, inescapable, interchangeable, irremediable, unassailable, unattainable, unavailable, unmistakable

Found 30 words across 5 groupings.