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