introduction vs debut

introduction and debut both are nouns.

Word	Noun	Adjective	Verb	Adverb
introduction	Yes	No	No	No
debut	Yes	No	Yes	No

As nouns, introduction and debut are synonyms defined as:

Other synonyms of introduction include entry, first appearance, launching, unveiling.

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

Other hyponyms of introduction include reintroduction.

introduction (noun)	debut (noun)
the act of putting one thing into another	the act of beginning something new
the act of beginning something new	the presentation of a debutante in society
the act of starting something for the first time; introducing something new
the first section of a communication
formally making a person known to another or to the public
a basic or elementary instructional text
a new proposal

introduction (verb)	debut (verb)
	appear for the first time in public
	make one's debut
	present for the first time to the public