10 points.

Word/Definition.

Monotonous – repeating over and over, without variety.

Diminish – to make smaller or less.

Tandem – one behind the other.

Tethered – tied to the ground or to another object.

Perilous – full of danger.

Anecdote – a brief account of an interesting or amusing event.

Author’s purpose – a writer’s reason for creating a work.

Rudder – a vertically hinged plate at the tail of an aircraft, used to move a plane to the right or left.

Frogman – a swimmer equipped with breathing apparatus in order to do underwater tasks, often military tasks to gather information.

Astonishment – full of surprise; unexpected.