equivalence vs similitude

equivalence and similitude both are nouns.

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

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

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

Other hypernyms of equivalence include alikeness, likeness.

equivalence (noun)	similitude (noun)
qualities that are comparable	a duplicate copy
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