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