weaken vs sabotage

weaken is not a noun while sabotage is a noun.

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

As verbs, weaken and sabotage are synonyms defined as:

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

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

weaken (verb)	sabotage (verb)
become weaker	destroy property or hinder normal operations
lessen the strength of
reduce the level or intensity or size or scope of
lessen in force or effect
destroy property or hinder normal operations