unveiling vs debut

unveiling and debut both are nouns.

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

As nouns, unveiling and debut are synonyms defined as:

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

unveiling (noun)	debut (noun)
the act of beginning something new	the act of beginning something new
putting on display for the first time	the presentation of a debutante in society

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