Words That Rhyme With "Attainable" :

3 syllables:

stainable, trainable

4 syllables:

explainable, maintainable, obtainable, sustainable, unstainable

5 syllables:

ascertainable, inexplainable, unattainable, uncontainable, unexplainable, unobtainable, unsustainable

6 syllables:

unascertainable