overcomer vs surmounter

overcomer and surmounter both are nouns.

Word	Noun	Adjective	Verb	Adverb
overcomer	Yes	No	No	No
surmounter	Yes	No	No	No

As nouns, overcomer and surmounter are synonyms defined as:

overcomer and surmounter: someone who overcomes and establishes ascendancy and control by force or persuasion

Other synonyms of overcomer include subduer.

overcomer (noun)	surmounter (noun)
someone who overcomes and establishes ascendancy and control by force or persuasion	someone who overcomes and establishes ascendancy and control by force or persuasion