divergence vs flexion

divergence and flexion both are nouns.

Word	Noun	Adjective	Verb	Adverb
divergence	Yes	No	No	No
flexion	Yes	No	No	No

As nouns, flexion is a hyponym of divergence; that is, flexion is a word with a more specific, narrower meaning than divergence:

Other hyponyms of divergence include discrepancy, variance, variant, driftage, flection, inflection.

divergence (noun)	flexion (noun)
the act of moving away in different direction from a common point	act of bending a joint; especially a joint between the bones of a limb so that the angle between them is decreased
a difference between conflicting facts or claims or opinions	deviation from a straight or normal course
an infinite series that has no limit	the state of being flexed (as of a joint)
a variation that deviates from the standard or norm