equivalence vs likeness

equivalence and likeness both are nouns.

Word	Noun	Adjective	Verb	Adverb
equivalence	Yes	No	No	No
likeness	Yes	No	No	No

As nouns, likeness is a hypernym of equivalence; that is, likeness is a word with a broader meaning than equivalence:

equivalence: qualities that are comparable
likeness: similarity in appearance or character or nature between persons or things

Other hypernyms of equivalence include alikeness, similitude.

equivalence (noun)	likeness (noun)
qualities that are comparable	picture consisting of a graphic image of a person or thing
essential equality and interchangeability	similarity in appearance or character or nature between persons or things
a state of being essentially equal or equivalent; equally balanced