ill-favored vs ill-favoured

ill-favored and ill-favoured both are adjectives.

Word	Noun	Adjective	Verb	Adverb
ill-favored	No	Yes	No	No
ill-favoured	No	Yes	No	No

As adjectives, ill-favored and ill-favoured are synonyms defined as:

ill-favored (adjective)	ill-favoured (adjective)
usually used of a face	usually used of a face