complex vs interlocking

complex and interlocking both are nouns.

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

complex (noun)	interlocking (noun)
a whole structure (as a building) made up of interconnected or related structures	the act of interlocking or meshing
a conceptual whole made up of complicated and related parts	contact by fitting together
(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

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