interlacing vs interlocking

interlacing is not a noun while interlocking is a noun.

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

As adjectives, interlacing and interlocking are synonyms defined as:

interlacing and interlocking: linked or locked closely together as by dovetailing

Other synonyms of interlacing include interlinking, interwoven.

interlacing (noun)	interlocking (noun)
	the act of interlocking or meshing
	contact by fitting together

interlacing (adjective)	interlocking (adjective)
linked or locked closely together as by dovetailing	linked or locked closely together as by dovetailing