Here's what rhymes with grifly.
lie fly fry ly rye sly lye wry lai luy slier by my high why die dry thy try y buy cry sky guy tie vi hi shy sigh bi bye chi dye fi hy nigh pi pie spy thai thigh vie dei ply psi quae ty wir awry hai mai muy nai pry tri trie cy fy kai mei pri sy tai thei wai phi sty spry stye apply supply reply thereby rely hereby belie overlie firefly retry blowfly lanai ripply deny imply nearby whereby comply alkali classify defy verify alibi samurai decry pupae untie crucify descry resupply vilify aquae ossify triply amebae horrify turfy overfly scurfy barfly shanghai overbuy occupy clarify nuclei butterfly certify glorify goodbye gratify underlie alveoli fortify nullify pacify ratify unify falsify lullaby terrify amoebae codify edify mollify ramify bonsai deify vivify calcify misapply revivify stupefy cumuli scarify versify vitrify drachmai refortify banzais yuppify justify satisfy stimuli modify multiply qualify specify signify simplify testify notify purify amplify diversify rectify standby beautify solidify termini typify liquefy mortify oversupply acidify dragonfly mystify stratify stultify ultrahigh petrify reclassify reunify liquify declassify hyperbolae mummify prettify speechify syllabify identify quantify magnify dignify personify electrify preoccupy emulsify beatify gentrify dandify solemnify exemplify intensify disqualify demystify detoxify dissatisfy indemnify objectify oversimplify transmogrify misidentify