communique vs dateline

communique and dateline both are nouns.

Word	Noun	Adjective	Verb	Adverb
communique	Yes	No	No	No
dateline	Yes	No	Yes	No

communique (noun)	dateline (noun)
an official report (usually sent in haste)	a line at the beginning of a news article giving the date and place of origin of the news dispatch
	an imaginary line on the surface of the earth following (approximately) the 180th meridian

communique (verb)	dateline (verb)
	mark with a date and place