continuo vs bass part

continuo and bass part both are nouns.

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

As nouns, bass part is a hypernym of continuo; that is, bass part is a word with a broader meaning than continuo:

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

Other hypernyms of continuo include bass.

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