genuflection vs genuflexion

genuflection and genuflexion both are nouns.

Word	Noun	Adjective	Verb	Adverb
genuflection	Yes	No	No	No
genuflexion	Yes	No	No	No

As nouns, genuflection and genuflexion are synonyms defined as:

genuflection and genuflexion: the act of bending the knees in worship or reverence

genuflection (noun)	genuflexion (noun)
the act of bending the knees in worship or reverence	the act of bending the knees in worship or reverence