Perfect Rhymes:
* aptin' (informal, dialectal)
* scampin' (informal, dialectal)
* frappin' (informal, dialectal)
Near Rhymes:
* baiting
* fating
* gating
* mating
* pacing
* rating
* waiting
* vaping
Eye Rhymes:
* mountain
* fountain
* certain
* curtain
The best rhyming word for you will depend on the context of your poem or sentence.