interlocking vs engagement

interlocking and engagement both are nouns.

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

As nouns, interlocking and engagement are synonyms defined as:

Other synonyms of interlocking include mesh, meshing.

interlocking (noun)	engagement (noun)
the act of interlocking or meshing	the act of sharing in the activities of a group
contact by fitting together	a hostile meeting of opposing military forces in the course of a war
	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

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