mirror image vs reflexion

mirror image and reflexion both are nouns.

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

As nouns, mirror image and reflexion are synonyms defined as:

mirror image and reflexion: a likeness in which left and right are reversed

Other synonyms of mirror image include reflection.

mirror image (noun)	reflexion (noun)
a likeness in which left and right are reversed	the image of something as reflected by a mirror (or other reflective material)
	the ability to reflect beams or rays
	a likeness in which left and right are reversed
	a calm, lengthy, intent consideration
	a remark expressing careful consideration
	expression without words
	the phenomenon of a propagating wave (light or sound) being thrown back from a surface