interlocking vs complex

interlocking and complex both are nouns.

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

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

interlocking (adjective)	complex (adjective)
linked or locked closely together as by dovetailing	complicated in structure; consisting of interconnected parts
	difficult to analyze or understand