standoff vs repulsion

standoff and repulsion both are nouns.

Word	Noun	Adjective	Verb	Adverb
standoff	Yes	No	No	No
repulsion	Yes	No	No	No

As nouns, standoff and repulsion are synonyms defined as:

standoff and repulsion: the act of repulsing or repelling an attack; a successful defensive stand

standoff (noun)	repulsion (noun)
the act of repulsing or repelling an attack; a successful defensive stand	the act of repulsing or repelling an attack; a successful defensive stand
the finish of a contest in which the score is tied and the winner is undecided	intense aversion
	the force by which bodies repel one another