river vs Charles

river and Charles both are nouns.

Word	Noun	Adjective	Verb	Adverb
river	Yes	No	No	No
Charles	Yes	No	No	No

river (noun)	Charles (noun)
a large natural stream of water (larger than a creek)	a river in eastern Massachusetts that empties into Boston Harbor and that separates Cambridge from Boston
	the eldest son of Elizabeth II and heir to the English throne (born in 1948)
	French physicist and author of Charles's law which anticipated Gay-Lussac's law (1746-1823)
	king of the Franks and Holy Roman Emperor; conqueror of the Lombards and Saxons (742-814)
	son of James I who was King of England and Scotland and Ireland; was deposed and executed by Oliver Cromwell (1600-1649)
	King of England and Scotland and Ireland during the Restoration (1630-1685)
	as Charles II he was Holy Roman Emperor and as Charles I he was king of France (823-877)
	King of France who began his reign with most of northern France under English control; after the intervention of Jeanne d'Arc the French were able to defeat the English and end the Hundred Years' War (1403-1461)
	King of France from 1560 to 1574 whose reign was dominated by his mother Catherine de Medicis (1550-1574)