preferred vs favored

preferred and favored both are adjectives.

Word	Noun	Adjective	Verb	Adverb
preferred	No	Yes	No	No
favored	No	Yes	No	No

As adjectives, preferred and favored are synonyms defined as:

preferred and favored: preferred above all others and treated with partiality

Other synonyms of preferred include best-loved, favorite, favoured, favourite, pet, preferent.

preferred (adjective)	favored (adjective)
more desirable than another	preferred above all others and treated with partiality
preferred above all others and treated with partiality