disruption vs incident

disruption and incident both are nouns.

Word	Noun	Adjective	Verb	Adverb
disruption	Yes	No	No	No
incident	Yes	Yes	No	No

As nouns, incident is a hyponym of disruption; that is, incident is a word with a more specific, narrower meaning than disruption:

disruption (noun)	incident (noun)
the act of causing disorder	a single distinct event
an act of delaying or interrupting the continuity	a public disturbance
an event that results in a displacement or discontinuity
a disorderly outburst or tumult

disruption (adjective)	incident (adjective)
	(sometimes followed by `to') minor or casual or subordinate in significance or nature or occurring as a chance concomitant or consequence
	falling or striking of light rays on something