Abstract nouns are nouns that you can't perceive with your five senses. They are often used to express concepts, qualities, or conditions.
Here are the abstract nouns for each word:
Depart - Departure
This is the abstract form of 'depart,' referring to the act of leaving or the moment one leaves.
Appear - Appearance
This refers to the way that someone or something looks, or the act of appearing.
Carry - Carriage
Though this can sometimes refer to a physical vehicle, it can also be used to describe the manner of carrying oneself or a load.
Grow - Growth
This indicates the process of growing, whether it's physically in size or developmentally.
Curious - Curiosity
This represents the desire to learn or know about anything; inquisitiveness.
Absent - Absence
This is the state of being away or not being present.
Brave - Bravery
This denotes the quality of being brave; courage.
Fearful - Fearfulness
This abstract noun is about a state or quality of being afraid or filled with fear.
Leader - Leadership
This is about the action of leading a group or an organization.
Speak - Speech
This relates to the expression of thoughts and emotions orally; the ability or act of speaking.