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