Microwavable rhymes with:
achievable, approvable, believable, conceivable, drivable, forgivable, immovable, inconceivable, livable, lovable, movable, observable, provable, receivable, removable, solvable, survivable, unbelievable, unforgivable, unlivable, unsolvable
Microwavable sounds like:
mccarville, measurable, measurably, microbial, miserable, miserably