period vs Cambrian

period and Cambrian both are nouns.

Word	Noun	Adjective	Verb	Adverb
period	Yes	No	No	No
Cambrian	Yes	Yes	No	No

period (noun)	Cambrian (noun)
a punctuation mark (.) placed at the end of a declarative sentence to indicate a full stop or after abbreviations	a native or resident of Wales
the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause	the period from 544 million to about 500 million years ago; characterized by marine invertebrates
an amount of time
the interval taken to complete one cycle of a regularly repeating phenomenon
a unit of geological time during which a system of rocks formed
the end or completion of something
(ice hockey) one of three divisions into which play is divided in hockey games

period (adjective)	Cambrian (adjective)
	of or relating to or characteristic of Wales or its people or their language