sub-
com-
pro-
en-
Pictures
100
To cause to be under water
What is submerge
100
unite; merge.
What is combine.
100
Drive, push, or cause to move in a particular direction, typically forward.
What is to propel
100
Support, confidence, or hope to (someone).
What is encourage
100
What is this a picture of?
What is a subway train
200
Captions displayed at the bottom of a movie or television screen that translate or transcribe the dialogue or narrative.
What is a subtitle
200
The fact or condition of being with another or others, especially in a way that provides friendship and enjoyment.
What is company
200
Further the progress of (something, especially a cause, venture, or aim); support or actively encourage
What is to promote
200
Put (someone or something) at risk or in danger.
What is endanger
300
The total of one set of a larger group of figures to be added.
What is a subtotal
300
A person or animal with whom one spends a lot of time or with whom one travels.
What is a companion
300
A person or thing that provides something.
What is a provider
300
Cause (something) to happen by necessity or force.
What is enforce
400
A warship with a streamlined hull designed to operate completely submerged in the sea for long periods, equipped with an internal store of air and a periscope and typically armed with torpedoes and/or missiles.
What is a submarine
400
A thing that is composed of two or more separate elements; a mixture.
What is a compound
400
Forward or onward movement toward a destination.
What is progress
400
Assign the responsibility for doing something to (someone).
What is entrust
500
A part of a larger group of related things.
What is a subset
500
A companion who shares one's activities or is a fellow member of an organization.
What is a comrade
500
Keep safe from harm or injury.
What is protect
500
Give (someone or something) the authority or means to do something.
What is enable