flexure vs flection

flexure and flection both are nouns.

Word	Noun	Adjective	Verb	Adverb
flexure	Yes	No	No	No
flection	Yes	No	No	No

As nouns, flexure and flection are synonyms defined as:

Other synonyms of flexure include flexion.

flexure (noun)	flection (noun)
act of bending a joint; especially a joint between the bones of a limb so that the angle between them is decreased	deviation from a straight or normal course
an angular or rounded shape made by folding	the state of being flexed (as of a joint)
the state of being flexed (as of a joint)