sub
counter/contra
tri & quad
mono & uni
pre & post
100

below the freezing point

What is subfreezing?

100

opposite the direction the hands of a clock move

What is counterclockwise?
100

happening every 4 years

What is quadrennial?

100

A one wheeled vehicle that is pedaled

What is a unicycle? 

100

to say what will happen before it occurs

What is predict?

200

a watercraft under that stays underwater

What is a submarine?

200

fake or artificial as in fake money

What is counterfeit?
200

an animal with 4 feet

What is a quadruped?

200

a horse-like fabled animal

What is a unicorn?

200

to pay for something ahead of time

What is prepay?

300

to put underwater

What is submerge?

300

a weight used to balance in the opposite direction

What is counterbalance?

300

a 3-sided figure in geometry

What is a triangle?

300
singing a song so that a group sounds like one voice

What is unison?

300

a person who takes college classes after he or she has already graduated

What is a postgraduate?

400
under the skin

What is subcutaneous?

400

anything that is against the law to buy or sell

What is contraband?

400

a 3-legged stool, or a stand used to hold a camera

What is a tripod?

400

having only one color

What is monochrome?

400

occuring after death, like a book that was published after an author had passed away

What is posthumous?

500

to water something from under the ground

What is subirrigate?

500

to express the opposite

What is contradict?

500

to cut into 3 parts

What is trisect?

500

fear of being alone

What is monophobia?
500

to make a decision before you have all the facts

What is prejudge?
M
e
n
u