century vs decade

century and decade both are nouns.

Word	Noun	Adjective	Verb	Adverb
century	Yes	No	No	No
decade	Yes	No	No	No

century (noun)	decade (noun)
ten 10s	the cardinal number that is the sum of nine and one; the base of the decimal system
a period of 100 years	a period of 10 years