OIS vs Treasury

OIS and Treasury both are nouns.

Word	Noun	Adjective	Verb	Adverb
OIS	Yes	No	No	No
Treasury	Yes	No	No	No

OIS (noun)	Treasury (noun)
agency that oversees the intelligence relationships of the Treasury's offices and bureaus and provides a link between the Intelligence Community and officials responsible for international economic policy	the federal department that collects revenue and administers federal finances; the Treasury Department was created in 1789
	the British cabinet minister responsible for economic strategy
	negotiable debt obligations of the United States government which guarantees that interest and principal payments will be paid on time