obligato vs obbligato

obligato and obbligato both are nouns.

Word	Noun	Adjective	Verb	Adverb
obligato	Yes	No	No	No
obbligato	Yes	No	No	No

As nouns, obligato and obbligato are synonyms defined as:

obligato and obbligato: a part of the score that must be performed without change or omission

As nouns, obligato and obbligato are synonyms defined as:

obligato (noun)	obbligato (noun)
a part of the score that must be performed without change or omission	a part of the score that must be performed without change or omission
a persistent but subordinate motif	a persistent but subordinate motif