preferred vs best-loved

preferred and best-loved both are adjectives.

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

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

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

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

preferred (adjective)	best-loved (adjective)
more desirable than another	preferred above all others and treated with partiality
preferred above all others and treated with partiality