combustibility vs burnability

combustibility and burnability both are nouns.

Word	Noun	Adjective	Verb	Adverb
combustibility	Yes	No	No	No
burnability	Yes	No	No	No

As nouns, combustibility and burnability are synonyms defined as:

combustibility and burnability: the quality of being capable of igniting and burning

Other synonyms of combustibility include combustibleness.

combustibility (noun)	burnability (noun)
the quality of being capable of igniting and burning	the quality of being capable of igniting and burning