phagocyte vs macrophage

phagocyte and macrophage both are nouns.

Word	Noun	Adjective	Verb	Adverb
phagocyte	Yes	No	No	No
macrophage	Yes	No	No	No

As nouns, macrophage is a hyponym of phagocyte; that is, macrophage is a word with a more specific, narrower meaning than phagocyte:

phagocyte: a cell that engulfs and digests debris and invading microorganisms
macrophage: a large phagocyte; some are fixed and other circulate in the blood stream

Other hyponyms of phagocyte include fixed phagocyte, free phagocyte.

phagocyte (noun)	macrophage (noun)
a cell that engulfs and digests debris and invading microorganisms	a large phagocyte; some are fixed and other circulate in the blood stream