soar up vs surge

soar up is not a noun while surge is a noun.

Word	Noun	Adjective	Verb	Adverb
soar up	No	No	Yes	No
surge	Yes	No	Yes	No

As verbs, soar up and surge are synonyms defined as:

Other synonyms of soar up include soar, soar upwards, zoom.

soar up (noun)	surge (noun)
	a sudden or abrupt strong increase
	a sudden forceful flow
	a large sea wave

soar up (verb)	surge (verb)
rise rapidly	see one's performance improve
	rise rapidly
	rise and move, as in waves or billows
	rise or move forward
	rise or heave upward under the influence of a natural force such as a wave