favoured vs best-loved

favoured and best-loved both are adjectives.

Word	Noun	Adjective	Verb	Adverb
favoured	No	Yes	No	No
best-loved	No	Yes	No	No

As adjectives, favoured and best-loved are synonyms defined as:

favoured and best-loved: preferred above all others and treated with partiality

Other synonyms of favoured include favored, favorite, favourite, pet, preferent, preferred.

favoured (adjective)	best-loved (adjective)
preferred above all others and treated with partiality	preferred above all others and treated with partiality