king vs Saul

king and Saul both are nouns.

Word	Noun	Adjective	Verb	Adverb
king	Yes	No	No	No
Saul	Yes	No	No	No

king (noun)	Saul (noun)
(chess) the weakest but the most important piece	(Old Testament) the first king of the Israelites who defended Israel against many enemies (especially the Philistines)
one of the four playing cards in a deck bearing the picture of a king	(New Testament) a Christian missionary to the Gentiles; author of several Epistles in the New Testament; even though Paul was not present at the Last Supper he is considered an Apostle
a checker that has been moved to the opponent's first row where it is promoted to a piece that is free to move either forward or backward
a male sovereign; ruler of a kingdom
a very wealthy or powerful businessman
a male competitor who holds a preeminent position
the husband or widower of a queen
preeminence in a particular category or group or field