get together vs visit

get together and visit both are nouns.

Word	Noun	Adjective	Verb	Adverb
get together	Yes	No	Yes	No
visit	Yes	No	Yes	No

As nouns, visit is a hyponym of get together; that is, visit is a word with a more specific, narrower meaning than get together:

get together: a small informal social gathering
visit: a meeting arranged by the visitor to see someone (such as a doctor or lawyer) for treatment or advice

As verbs, visit is a hyponym of get together; that is, visit is a word with a more specific, narrower meaning than get together:

Other hyponyms of get together include pick up, reunite, rendezvous, call, call in, celebrate, fete.

get together (noun)	visit (noun)
a small informal social gathering	the act of going to see some person in a professional capacity
	the act of visiting in an official capacity (as for an inspection)
	the act of going to see some person or place or thing for a short time
	a temporary stay (e.g., as a guest)
	a meeting arranged by the visitor to see someone (such as a doctor or lawyer) for treatment or advice

get together (verb)	visit (verb)
get together socially or for a specific purpose	assail
become part of; become a member of a group or organization	talk socially without exchanging too much information
get people together	impose something unpleasant
	go to certain places as for sightseeing
	come to see in an official or professional capacity
	pay a brief visit
	go to see a place, as for entertainment
	stay with as a guest