Legal aid provides financial assistance for people who cannot afford legal representation.

She uses a deaf-aid to help her hear better.

Foreign aid plays a crucial role in supporting the development of underdeveloped countries.

The government provides grant-in-aid to individuals and organizations for educational purposes.

She was convicted of aiding and abetting her husband's murder.

Teachers often use audiovisual aids such as slides and videos to enhance their lessons.

The general's aide-de-camp accompanied him to the meeting.