sabotage vs counteract

sabotage is a noun but counteract is not a noun.

Word	Noun	Adjective	Verb	Adverb
sabotage	Yes	No	Yes	No
counteract	No	No	Yes	No

As verbs, sabotage and counteract are synonyms defined as:

Other synonyms of sabotage include countermine, subvert, undermine, weaken.

sabotage (noun)	counteract (noun)
a deliberate act of destruction or disruption in which equipment is damaged

sabotage (verb)	counteract (verb)
destroy property or hinder normal operations	act in opposition to
	destroy property or hinder normal operations
	oppose or check by a counteraction
	oppose and mitigate the effects of by contrary actions