authority

As nouns the difference between authority and countenance

is that authority is the power to enforce rules or give orders while countenance is appearance, especially the features and expression of the face.

As a verb countenance is

to tolerate, support, sanction, patronise or approve of something.

As nouns the difference between advocacy and authority

is that advocacy is the profession of an advocate while authority is the power to enforce rules or give orders.

Umpire is a related term of authority.

As nouns the difference between umpire and authority

is that umpire is (tennis) the official who presides over a tennis game sat on a high chair while authority is (label) the power to enforce rules or give orders.

As a verb umpire

is (sports|intransitive) to act as an umpire in a game.

As nouns the difference between authority and role

is that authority is the power to enforce rules or give orders while rôle is an alternative spelling of lang=en.

As nouns the difference between authority and ownership

is that authority is the power to enforce rules or give orders while ownership is the state of having complete legal control of the status of something.

Authority is a related term of leverage.

As nouns the difference between authority and leverage

is that authority is (label) the power to enforce rules or give orders while leverage is a force compounded by means of a lever rotating around a pivot; see torque.

As a verb leverage is

(transitive|chiefly|us|slang|business) to use; to exploit; to take full advantage (of something).

As nouns the difference between authority and supremacy

is that authority is the power to enforce rules or give orders while supremacy is the quality of being supreme.

As nouns the difference between authority and trust

is that authority is the power to enforce rules or give orders while trust is confidence in or reliance on some person or quality.

As a verb trust is

to place confidence in; to rely on, to confide, or repose faith, in.

As an adjective trust is

secure, safe.

Care is a related term of authority.

As nouns the difference between care and authority

is that care is tear, rift, crack while authority is (label) the power to enforce rules or give orders.