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