Here's what rhymes with irrefusable.
usable fusible reusable unusable excusable inexcusable Words that almost rhyme with irrefusable
movable crucible moveable provable dutiable immovable irreducible reducible removable irremovable unmovable unmoveable deducible inducible producible improvable disprovable reproducible irrefutable suitable luminal mutable doable refutable assumable beautiful usual mutual unsuitable immutable renewable cuticle presumable unusual juvenile inscrutable consumable disputable commutable construable indisputable executable delusional nonrenewable attitudinal latitudinal manoeuvrable longitudinal distributional institutional constitutional unconstitutional