i Register
In some senses, motor is marked as figuratively, archaic, dated, informal, slang. Watch for register when choosing this word.
ADJ
large, powerful | small | diesel, electric
outboard
The fisherman attached a small outboard motor to his rowboat for the trip across the lake.
VERB + MOTOR
start, turn on | turn off
MOTOR + VERB
run, work
The boat's motor worked perfectly during our fishing trip yesterday afternoon.
drive sth
The electric motor drives the washing machine's drum during the spin cycle.