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