infolding vs introversion

infolding and introversion both are nouns.

Word	Noun	Adjective	Verb	Adverb
infolding	Yes	No	No	No
introversion	Yes	No	No	No

As nouns, infolding and introversion are synonyms defined as:

infolding and introversion: the folding in of an outer layer so as to form a pocket in the surface

Other synonyms of infolding include intussusception, invagination.

infolding (noun)	introversion (noun)
the folding in of an outer layer so as to form a pocket in the surface	(psychology) an introverted disposition; concern with one's own thoughts and feelings
	the folding in of an outer layer so as to form a pocket in the surface
	the condition of being folded inward or sheathed