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