Swiss cheese vs sapsago

Swiss cheese and sapsago both are nouns.

Word	Noun	Adjective	Verb	Adverb
Swiss cheese	Yes	No	No	No
sapsago	Yes	No	No	No

As nouns, sapsago is a hyponym of Swiss cheese; that is, sapsago is a word with a more specific, narrower meaning than Swiss cheese:

Swiss cheese: hard pale yellow cheese with many holes from Switzerland
sapsago: a hard green Swiss cheese made with skim-milk curd and flavored with clover

Other hyponyms of Swiss cheese include Emmental, Emmentaler, Emmenthal, Emmenthaler, Gruyere.

Swiss cheese (noun)	sapsago (noun)
hard pale yellow cheese with many holes from Switzerland	a hard green Swiss cheese made with skim-milk curd and flavored with clover