mirror image vs similitude

mirror image and similitude both are nouns.

Word	Noun	Adjective	Verb	Adverb
mirror image	Yes	No	No	No
similitude	Yes	No	No	No

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

mirror image: a likeness in which left and right are reversed
similitude: similarity in appearance or character or nature between persons or things

Other hypernyms of mirror image include alikeness, likeness.

mirror image (noun)	similitude (noun)
a likeness in which left and right are reversed	a duplicate copy
	similarity in appearance or character or nature between persons or things