insensibility vs callosity

insensibility and callosity both are nouns.

Word	Noun	Adjective	Verb	Adverb
insensibility	Yes	No	No	No
callosity	Yes	No	No	No

As nouns, insensibility and callosity are synonyms defined as:

insensibility and callosity: devoid of passion or feeling; hardheartedness

Other synonyms of insensibility include callousness, hardness, unfeelingness.

insensibility (noun)	callosity (noun)
devoid of passion or feeling; hardheartedness	devoid of passion or feeling; hardheartedness
a lack of sensibility	an area of skin that is thick or hard from continual pressure or friction (as the sole of the foot)