callosity vs unfeelingness

callosity and unfeelingness both are nouns.

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

As nouns, callosity and unfeelingness are synonyms defined as:

callosity and unfeelingness: devoid of passion or feeling; hardheartedness

Other synonyms of callosity include callousness, hardness, insensibility.

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