XT vs disturbance

XT and disturbance both are nouns.

Word	Noun	Adjective	Verb	Adverb
XT	Yes	No	No	No
disturbance	Yes	No	No	No

As nouns, disturbance is a hypernym of XT; that is, disturbance is a word with a broader meaning than XT:

Other hypernyms of XT include interference, noise.

XT (noun)	disturbance (noun)
the presence of an unwanted signal via an accidental coupling	the act of disturbing something or someone; setting something in motion
	a noisy fight
	activity that is a malfunction, intrusion, or interruption
	electrical or acoustic activity that can disturb communication
	a disorderly outburst or tumult
	(psychiatry) a psychological disorder of thought or emotion; a more neutral term than mental illness
	an unhappy and worried mental state