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