Origin: Latin suffix -ous
Cantankerous has 3 different meanings across 1 category:
stubbornly obstructive and unwilling to cooperate
"unions...have never been as bloody-minded about demarcation as the shipbuilders"
having a difficult and contrary disposition
"a cantankerous and venomous-tongued old lady"
Given to or marked by an ill-tempered nature; ill-tempered, cranky, surly, crabby.