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