biological science vs spindle

biological science and spindle both are nouns.

Word	Noun	Adjective	Verb	Adverb
biological science	Yes	No	No	No
spindle	Yes	No	No	No

biological science (noun)	spindle (noun)
the science that studies living organisms	a stick or pin used to twist the yarn in spinning
	any of various rotating shafts that serve as axes for larger rotating parts
	a piece of wood that has been turned on a lathe; used as a baluster, chair leg, etc.
	any holding device consisting of a rigid, sharp-pointed object
	(biology) tiny fibers that are seen in cell division; the fibers radiate from two poles and meet at the equator in the middle