genuflexion vs genuflection

genuflexion and genuflection both are nouns.

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

As nouns, genuflexion and genuflection are synonyms defined as:

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

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