introversion vs invagination

introversion and invagination both are nouns.

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

As nouns, introversion and invagination are synonyms defined as:

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

Other synonyms of introversion include infolding, intussusception.

As nouns, introversion and invagination are synonyms defined as:

introversion and invagination: the condition of being folded inward or sheathed

introversion (noun)	invagination (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
the condition of being folded inward or sheathed