transient vs traveller

transient and traveller both are nouns.

Word	Noun	Adjective	Verb	Adverb
transient	Yes	Yes	No	No
traveller	Yes	No	No	No

As nouns, traveller is a hypernym of transient; that is, traveller is a word with a broader meaning than transient:

Other hypernyms of transient include traveler.

transient (noun)	traveller (noun)
(physics) a short-lived oscillation in a system caused by a sudden change of voltage or current or load	a person who changes location
one who stays for only a short time

transient (adjective)	traveller (adjective)
of a mental act; causing effects outside the mind
lasting a very short time