complex vs thickening

complex and thickening both are nouns.

Word	Noun	Adjective	Verb	Adverb
complex	Yes	Yes	No	No
thickening	Yes	Yes	No	No

complex (noun)	thickening (noun)
a whole structure (as a building) made up of interconnected or related structures	the act of thickening
a conceptual whole made up of complicated and related parts	any thickened enlargement
(psychoanalysis) a combination of emotions and impulses that have been rejected from awareness but still influence a person's behavior	any material used to thicken
a compound described in terms of the central atom to which other atoms are bound or coordinated

complex (adjective)	thickening (adjective)
complicated in structure; consisting of interconnected parts	becoming more intricate or complex
difficult to analyze or understand	accumulating and becoming more intense