lump vs spermatocele

lump and spermatocele both are nouns.

Word	Noun	Adjective	Verb	Adverb
lump	Yes	No	Yes	No
spermatocele	Yes	No	No	No

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

lump: an abnormal protuberance or localized enlargement
spermatocele: a swelling on the epididymis or the testis; usually contains spermatozoa

lump (noun)	spermatocele (noun)
a compact mass	a swelling on the epididymis or the testis; usually contains spermatozoa
a large piece of something without definite shape
an awkward stupid person
an abnormal protuberance or localized enlargement

lump (verb)	spermatocele (verb)
group or chunk together in a certain order or place side by side
put together indiscriminately