custom, habit, manner
Someone who is morose is unhappy, bad-tempered, and unwilling to talk very much.
A person's morale is their current state of self-confidence, how they feel emotionally, and their state of determination to complete tasks in a motivated way.
The mores of a society are its customs, habits, or different types of behavior.
Something moral, such as a decision or action, is the right thing to do.
Differentiated vocabulary for your students is just a click away.