edge in vs edge up

edge in and edge up both are verbs.

Word	Noun	Adjective	Verb	Adverb
edge in	No	No	Yes	No
edge up	No	No	Yes	No

As verbs, edge in and edge up are synonyms defined as:

edge in (verb)	edge up (verb)
push one's way into (a space)	push one's way into (a space)