scalper vs ticket tout

scalper and ticket tout both are nouns.

Word	Noun	Adjective	Verb	Adverb
scalper	Yes	No	No	No
ticket tout	Yes	No	No	No

As nouns, ticket tout is a hyponym of scalper; that is, ticket tout is a word with a more specific, narrower meaning than scalper:

scalper: someone who buys something and resells it at a price far above the initial cost
ticket tout: someone who buys tickets to an event in order to resell them at a profit

Other hyponyms of scalper include tout.

scalper (noun)	ticket tout (noun)
someone who buys something and resells it at a price far above the initial cost	someone who buys tickets to an event in order to resell them at a profit