Crabbedness is a related term of tartness.
As nouns the difference between crabbedness and tartness
is that crabbedness is the state or quality of being crabbed while tartness is the characteristic of being tart; sharpness of taste; sourness; bitterness.
crabbedness
English
Noun
(-)
The state or quality of being crabbed.
tartness
English
Noun
(es)
The characteristic of being tart; sharpness of taste; sourness; bitterness.