spindle vs biology

spindle and biology both are nouns.

Word	Noun	Adjective	Verb	Adverb
spindle	Yes	No	No	No
biology	Yes	No	No	No

spindle (noun)	biology (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	all the plant and animal life of a particular region
a piece of wood that has been turned on a lathe; used as a baluster, chair leg, etc.	characteristic life processes and phenomena of living organisms
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