rumination vs reflexion

rumination and reflexion both are nouns.

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

As nouns, rumination and reflexion are synonyms defined as:

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

rumination (noun)	reflexion (noun)
regurgitation of small amounts of food; seen in some infants after feeding	the image of something as reflected by a mirror (or other reflective material)
(of ruminants) chewing (the cud)	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