thorough bass vs basso continuo

thorough bass and basso continuo both are nouns.

Word	Noun	Adjective	Verb	Adverb
thorough bass	Yes	No	No	No
basso continuo	Yes	No	No	No

As nouns, thorough bass and basso continuo are synonyms defined as:

thorough bass and basso continuo: a bass part written out in full and accompanied by numbers to indicate the chords to be played

Other synonyms of thorough bass include continuo, figured bass.

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