chalazion vs wen

chalazion and wen both are nouns.

Word	Noun	Adjective	Verb	Adverb
chalazion	Yes	No	No	No
wen	Yes	No	No	No

As nouns, wen is a hypernym of chalazion; that is, wen is a word with a broader meaning than chalazion:

chalazion: a small sebaceous cyst of the eyelid resulting when a Meibomian gland is blocked
wen: a common cyst of the skin; filled with fatty matter (sebum) that is secreted by a sebaceous gland that has been blocked

Other hypernyms of chalazion include pilar cyst, sebaceous cyst, steatocystoma.

chalazion (noun)	wen (noun)
a small sebaceous cyst of the eyelid resulting when a Meibomian gland is blocked	a common cyst of the skin; filled with fatty matter (sebum) that is secreted by a sebaceous gland that has been blocked