come on vs come near

come on and come near both are verbs.

Word	Noun	Adjective	Verb	Adverb
come on	No	No	Yes	No
come near	No	No	Yes	No

As verbs, come on and come near are synonyms defined as:

Other synonyms of come on include approach, draw close, draw near, go up, near.

come on (verb)	come near (verb)
occur or become available	move towards
appear or become visible; make a showing	come near in time
develop in a positive way	almost do or experience something
start running, functioning, or operating
move towards