pair of virginals vs cembalo

pair of virginals and cembalo both are nouns.

Word	Noun	Adjective	Verb	Adverb
pair of virginals	Yes	No	No	No
cembalo	Yes	No	No	No

As nouns, cembalo is a hypernym of pair of virginals; that is, cembalo is a word with a broader meaning than pair of virginals:

pair of virginals: a legless rectangular harpsichord; played (usually by women) in the 16th and 17th centuries
cembalo: a clavier with strings that are plucked by plectra mounted on pivots

Other hypernyms of pair of virginals include harpsichord.

pair of virginals (noun)	cembalo (noun)
a legless rectangular harpsichord; played (usually by women) in the 16th and 17th centuries	a clavier with strings that are plucked by plectra mounted on pivots