staff vs space

staff and space both are nouns.

Word	Noun	Adjective	Verb	Adverb
staff	Yes	No	Yes	No
space	Yes	No	Yes	No

staff (noun)	space (noun)
a strong rod or stick with a specialized utilitarian purpose	the unlimited expanse in which everything is located
(music) the system of five horizontal lines on which the musical notes are written	(printing) a block of type without a raised letter; used for spacing between words or sentences
a rod carried as a symbol	a blank character used to separate successive words in writing or printing
the body of teachers and administrators at a school	a blank area
personnel who assist their superior in carrying out an assigned task	one of the areas between or below or above the lines of a musical staff
building material consisting of plaster and hair; used to cover external surfaces of temporary structure (as at an exposition) or for decoration	an area reserved for some particular purpose
	any location outside the Earth's atmosphere
	an empty area (usually bounded in some way between things)
	the interval between two times

staff (verb)	space (verb)
provide with staff	place at intervals
serve on the staff of