introduction vs launching

introduction and launching both are nouns.

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

As nouns, introduction and launching are synonyms defined as:

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

introduction (noun)	launching (noun)
the act of putting one thing into another	the act of propelling with force
the act of beginning something new	the act of beginning something new
the act of starting something for the first time; introducing something new	the act of moving a newly built vessel into the water for the first time
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