eosinophile vs white corpuscle

eosinophile and white corpuscle both are nouns.

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

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

eosinophile: a leukocyte readily stained with eosin
white corpuscle: blood cells that engulf and digest bacteria and fungi; an important part of the body's defense system

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

eosinophile (noun)	white corpuscle (noun)
a leukocyte readily stained with eosin	blood cells that engulf and digest bacteria and fungi; an important part of the body's defense system