lymph cell vs white blood cell

lymph cell and white blood cell both are nouns.

Word	Noun	Adjective	Verb	Adverb
lymph cell	Yes	No	No	No
white blood cell	Yes	No	No	No

As nouns, white blood cell is a hypernym of lymph cell; that is, white blood cell is a word with a broader meaning than lymph cell:

lymph cell: an agranulocytic leukocyte that normally makes up a quarter of the white blood cell count but increases in the presence of infection
white blood cell: blood cells that engulf and digest bacteria and fungi; an important part of the body's defense system

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

lymph cell (noun)	white blood cell (noun)
an agranulocytic leukocyte that normally makes up a quarter of the white blood cell count but increases in the presence of infection	blood cells that engulf and digest bacteria and fungi; an important part of the body's defense system