Here's what rhymes with uncombinable.
definable undefinable indefinable Words that almost rhyme with uncombinable
liable viable sizable sizeable pliable likable likeable risible liveable unlikeable unliveable desirable advisable undesirable undeniable assignable indictable decidable deniable reliable unreliable excitable ammoniacal inadvisable libidinal cognizable maniacal reconcilable analyzable ascribable notifiable survivable climbable justifiable recognizable irreconcilable unjustifiable realizable unrecognizable describable recyclable certifiable nonassignable identifiable indescribable verifiable classifiable demoniacal unidentifiable unverifiable monomaniacal rectifiable