moving in vs occupancy

moving in and occupancy both are nouns.

Word	Noun	Adjective	Verb	Adverb
moving in	Yes	No	No	No
occupancy	Yes	No	No	No

As nouns, moving in and occupancy are synonyms defined as:

moving in and occupancy: the act of occupying or taking possession of a building

Other synonyms of moving in include occupation.

moving in (noun)	occupancy (noun)
the act of occupying or taking possession of a building	an act of being a tenant or occupant
	the act of occupying or taking possession of a building