date stamp vs date

date stamp is not a noun while date is a noun.

Word	Noun	Adjective	Verb	Adverb
date stamp	No	No	Yes	No
date	Yes	No	Yes	No

As verbs, date stamp and date are synonyms defined as:

As verbs, date is a hypernym of date stamp; that is, date is a word with a broader meaning than date stamp:

Other hypernyms of date stamp include stamp.

date stamp (noun)	date (noun)
	sweet edible fruit of the date palm with a single long woody seed
	a meeting arranged in advance
	a participant in a date
	the specified day of the month
	the present
	the particular day, month, or year (usually according to the Gregorian calendar) that an event occurred
	a particular day specified as the time something happens

date stamp (verb)	date (verb)
stamp with a date	assign a date to; determine the (probable) date of
	provide with a dateline; mark with a date
	stamp with a date
	go on a date with
	date regularly; have a steady relationship with