inauspicious vs unfavourable

inauspicious and unfavourable both are adjectives.

Word	Noun	Adjective	Verb	Adverb
inauspicious	No	Yes	No	No
unfavourable	No	Yes	No	No

inauspicious (adjective)	unfavourable (adjective)
not auspicious; boding ill	(of winds or weather) tending to hinder or oppose
contrary to your interests or welfare	not encouraging or approving or pleasing
presaging ill fortune	involving or creating circumstances detrimental to success or effectiveness