reflexion vs contemplation

reflexion and contemplation both are nouns.

Word	Noun	Adjective	Verb	Adverb
reflexion	Yes	No	No	No
contemplation	Yes	No	No	No

As nouns, reflexion and contemplation are synonyms defined as:

Other synonyms of reflexion include musing, reflection, rumination, thoughtfulness.

reflexion (noun)	contemplation (noun)
the image of something as reflected by a mirror (or other reflective material)	a long and thoughtful observation
the ability to reflect beams or rays	a calm, lengthy, intent consideration
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