disruption vs cut-in

disruption and cut-in both are nouns.

Word	Noun	Adjective	Verb	Adverb
disruption	Yes	No	No	No
cut-in	Yes	No	No	No

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

disruption: an act of delaying or interrupting the continuity
cut-in: (film) a still picture that is introduced and that interrupts the action of a film

disruption (noun)	cut-in (noun)
the act of causing disorder	(film) a still picture that is introduced and that interrupts the action of a film
an act of delaying or interrupting the continuity	(broadcasting) a local announcement inserted into a network program
an event that results in a displacement or discontinuity
a disorderly outburst or tumult