burnability vs combustibility

burnability and combustibility both are nouns.

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

As nouns, burnability and combustibility are synonyms defined as:

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

Other synonyms of burnability include combustibleness.

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