neutrophil vs white corpuscle

neutrophil and white corpuscle both are nouns.

Word	Noun	Adjective	Verb	Adverb
neutrophil	Yes	No	No	No
white corpuscle	Yes	No	No	No

As nouns, white corpuscle is a hypernym of neutrophil; that is, white corpuscle is a word with a broader meaning than neutrophil:

neutrophil: the chief phagocytic leukocyte; stains with either basic or acid dyes
white corpuscle: blood cells that engulf and digest bacteria and fungi; an important part of the body's defense system

Other hypernyms of neutrophil include leucocyte, leukocyte, WBC, white blood cell, white blood corpuscle, white cell.

neutrophil (noun)	white corpuscle (noun)
the chief phagocytic leukocyte; stains with either basic or acid dyes	blood cells that engulf and digest bacteria and fungi; an important part of the body's defense system