weekend vs Saturday

weekend and Saturday both are nouns.

Word	Noun	Adjective	Verb	Adverb
weekend	Yes	No	Yes	No
Saturday	Yes	No	No	No

weekend (noun)	Saturday (noun)
a time period usually extending from Friday night through Sunday; more loosely defined as any period of successive days including one and only one Sunday	the seventh and last day of the week; observed as the Sabbath by Jews and some Christians

weekend (verb)	Saturday (verb)
spend the weekend