swelling vs oscheocoele

swelling and oscheocoele both are nouns.

Word	Noun	Adjective	Verb	Adverb
swelling	Yes	No	No	No
oscheocoele	Yes	No	No	No

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

swelling (noun)	oscheocoele (noun)
the increase in volume of certain substances when they are heated (often accompanied by release of water)	swelling of the scrotum
something that bulges out or is protuberant or projects from its surroundings
an abnormal protuberance or localized enlargement