cell vs cell nucleus

cell and cell nucleus both are nouns.

Word	Noun	Adjective	Verb	Adverb
cell	Yes	No	No	No
cell nucleus	Yes	No	No	No

cell (noun)	cell nucleus (noun)
(biology) the basic structural and functional unit of all organisms; they may exist as independent units of life (as in monads) or may form colonies or tissues as in higher plants and animals	a part of the cell containing DNA and RNA and responsible for growth and reproduction
a device that delivers an electric current as the result of a chemical reaction
a room where a prisoner is kept
small room in which a monk or nun lives
any small compartment
a hand-held mobile radiotelephone for use in an area divided into small sections, each with its own short-range transmitter/receiver
a small unit serving as part of or as the nucleus of a larger political movement