pithead vs entry

pithead and entry both are nouns.

Word	Noun	Adjective	Verb	Adverb
pithead	Yes	No	No	No
entry	Yes	No	No	No

As nouns, entry is a hypernym of pithead; that is, entry is a word with a broader meaning than pithead:

Other hypernyms of pithead include entrance, entranceway, entree, entryway.

pithead (noun)	entry (noun)
the entrance to a coal mine	the act of entering
	the act of beginning something new
	something that provides access (to get in or get out)
	something (manuscripts or architectural plans and models or estimates or works of art of all genres etc.) submitted for the judgment of others (as in a competition)
	an item inserted in a written record
	a written record of a commercial transaction