Nouns

(n)favorite, favouritesomething regarded with special favor or liking“that book is one of my favorites”
(n)darling, favorite, favourite, pet, dearie, deary, duckya special loved one
(n)front-runner, favorite, favouritea competitor thought likely to win

Verbs

(v)favorite, favouriteTo mark an item as a personal favorite on social media

Adjectives

(s)favorite, favouriteappealing to the general public“a favorite tourist attraction”
(s)favored, favorite, favourite, best-loved, pet, preferred, preferent, favouredpreferred above all others and treated with partiality“the favored child”