spindle vs biological science

spindle and biological science both are nouns.

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

spindle (noun)	biological science (noun)
a stick or pin used to twist the yarn in spinning	the science that studies living organisms
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