warder vs ward

warder and ward both are nouns.

Word	Noun	Adjective	Verb	Adverb
warder	Yes	No	No	No
ward	Yes	No	Yes	No

warder (noun)	ward (noun)
a person who works in a prison and is in charge of prisoners	block forming a division of a hospital (or a suite of rooms) shared by patients who need a similar kind of care
	a division of a prison (usually consisting of several cells)
	a district into which a city or town is divided for the purpose of administration and elections
	a person who is under the protection or in the custody of another

warder (verb)	ward (verb)
	watch over or shield from danger or harm; protect