introversion vs infolding

introversion and infolding both are nouns.

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

As nouns, introversion and infolding are synonyms defined as:

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

Other synonyms of introversion include intussusception, invagination.

introversion (noun)	infolding (noun)
(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 folding in of an outer layer so as to form a pocket in the surface
the condition of being folded inward or sheathed