write up vs newssheet

write up and newssheet both are nouns.

Word	Noun	Adjective	Verb	Adverb
write up	Yes	No	Yes	No
newssheet	Yes	No	No	No

As nouns, newssheet is a hyponym of write up; that is, newssheet is a word with a more specific, narrower meaning than write up:

write up: a short account of the news
newssheet: report or open letter giving informal or confidential news of interest to a special group

Other hyponyms of write up include newsletter, bulletin, communique, despatch, dispatch, urban legend, exclusive, scoop.

write up (noun)	newssheet (noun)
a short account of the news	report or open letter giving informal or confidential news of interest to a special group

write up (verb)	newssheet (verb)
bring to public notice by writing, with praise or condemnation
put into writing; write in complete form