soar upwards vs surge

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

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

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

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

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

soar upwards (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