disturbance vs XT

disturbance and XT both are nouns.

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

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

disturbance (noun)	XT (noun)
the act of disturbing something or someone; setting something in motion	the presence of an unwanted signal via an accidental coupling
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