belong to vs belong

belong to and belong both are verbs.

Word	Noun	Adjective	Verb	Adverb
belong to	No	No	Yes	No
belong	No	No	Yes	No

As verbs, belong to and belong are synonyms defined as:

belong to (verb)	belong (verb)
be a part or adjunct	be owned by; be in the possession of
	be rightly classified in a class or category
	be suitable or acceptable
	be in the right place or situation
	be a part or adjunct
	be a member, adherent, inhabitant, etc. (of a group, organization, or place)