Better
Part of speech: adjective
Definition: Greater in amount or quantity
Part of speech: adverb
Definition: (manner) Accurately, competently, satisfactorily.
Part of speech: verb
Definition: To improve.
Part of speech: noun
Definition: An entity, usually animate, deemed superior to another. An entity, usually animate, deemed superior to another; one who has a claim to precedence; a superior.
Best
Part of speech: adjective
Definition: Most; largest.
Part of speech: adverb
Definition: (manner) Accurately, competently, satisfactorily.
Part of speech: verb
Definition: To beat in a contest.
Part of speech: noun
Definition: The supreme effort one can makeThe person (or persons) who is (are) most excellent.