engagement vs interlocking

engagement and interlocking both are nouns.

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

As nouns, engagement and interlocking are synonyms defined as:

Other synonyms of engagement include mesh, meshing.

engagement (noun)	interlocking (noun)
the act of sharing in the activities of a group	the act of interlocking or meshing
a hostile meeting of opposing military forces in the course of a war	contact by fitting together
the act of giving someone a job
employment for performers or performing groups that lasts for a limited period of time
a mutual promise to marry
contact by fitting together
a meeting arranged in advance

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