callous vs toughened

callous and toughened both are adjectives.

Word	Noun	Adjective	Verb	Adverb
callous	No	Yes	Yes	No
toughened	No	Yes	No	No

callous (adjective)	toughened (adjective)
emotionally hardened	physically toughened
having calluses; having skin made tough and thick through wear	made hard or flexible or resilient especially by heat treatment

callous (verb)	toughened (verb)
make insensitive or callous; deaden feelings or morals