naturalization vs launching

naturalization and launching both are nouns.

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

As nouns, launching is a hypernym of naturalization; that is, launching is a word with a broader meaning than naturalization:

naturalization: the introduction of animals or plants to places where they flourish but are not indigenous
launching: the act of beginning something new

Other hypernyms of naturalization include debut, entry, first appearance, introduction, unveiling.

naturalization (noun)	launching (noun)
the proceeding whereby a foreigner is granted citizenship	the act of propelling with force
changing the pronunciation of a borrowed word to agree with the borrowers' phonology	the act of beginning something new
the introduction of animals or plants to places where they flourish but are not indigenous	the act of moving a newly built vessel into the water for the first time
the quality of being brought into conformity with nature