frangibleness vs fragility

frangibleness and fragility both are nouns.

Word	Noun	Adjective	Verb	Adverb
frangibleness	Yes	No	No	No
fragility	Yes	No	No	No

As nouns, frangibleness and fragility are synonyms defined as:

frangibleness and fragility: quality of being easily damaged or destroyed

Other synonyms of frangibleness include breakability, frangibility.

frangibleness (noun)	fragility (noun)
quality of being easily damaged or destroyed	quality of being easily damaged or destroyed
	lack of physical strength