majority vs adulthood

majority and adulthood both are nouns.

Word	Noun	Adjective	Verb	Adverb
majority	Yes	No	No	No
adulthood	Yes	No	No	No

majority (noun)	adulthood (noun)
the property resulting from being or relating to the greater in number of two parts; the main part	the state (and responsibilities) of a person who has attained maturity
(elections) more than half of the votes	the period of time in your life after your physical growth has stopped and you are fully developed
the age at which persons are considered competent to manage their own affairs