occupation vs moving in

occupation and moving in both are nouns.

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

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

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

Other synonyms of occupation include occupancy.

occupation (noun)	moving in (noun)
the principal activity in your life that you do to earn money	the act of occupying or taking possession of a building
the act of occupying or taking possession of a building
the control of a country by military forces of a foreign power
any activity that occupies a person's attention
the period of time during which a place or position or nation is occupied