Here's what rhymes with nonfloatable.
notable potable quotable Words that almost rhyme with nonfloatable
erodible approachable unapproachable inapproachable reproachable irreproachable knowable sociable unsociable negotiable notional nonnegotiable revokable emotional disposable controllable unknowable unemotional consolable devotional promotional uncontrollable inconsolable renegotiable overemotional