bass part vs continuo

bass part and continuo both are nouns.

Word	Noun	Adjective	Verb	Adverb
bass part	Yes	No	No	No
continuo	Yes	No	No	No

As nouns, continuo is a hyponym of bass part; that is, continuo is a word with a more specific, narrower meaning than bass part:

bass part: the lowest part in polyphonic music
continuo: a bass part written out in full and accompanied by numbers to indicate the chords to be played

Other hyponyms of bass part include ground bass, basso continuo, figured bass, thorough bass.

bass part (noun)	continuo (noun)
the lowest part in polyphonic music	a bass part written out in full and accompanied by numbers to indicate the chords to be played