inter-
over-
under-
pre-
trans-
100

Between or among different countries.

international

100

Noun for when you work later than your scheduled hours.

overtime

100

Adjective to describe something which is below the surface of the earth.

underground

100

Noun for something which is attached to the beginning of a word to change its meaning.

prefix

100

Word to describe something, (e.g. train) which goes across Europe, Africa, North America, etc.

transcontinental

200

Adjective to describe relations between people.

interpersonal
200

Adjective to describe someone who is heavier than they should be.

overweight

200

Noun for someone who has not yet completed university

undergraduate

200

Adjective used to describe something that existed before history was recorded.

prehistoric

200

Verb to describe a change in appearance, shape or character.

transform

300
Adjective for or among different races of people.

interracial

300

Adjective to describe somewhere where there are too many people

overcrowded

300

Adjective used especially to describe agricultural countries without much industry

underdeveloped

300

To see something, especially a film before it is released for the general public.

preview

300

Verb: to move something growing in the ground to some-where else. Also used for organs.

transplant

400

Between or among planets.

interplanetary

400

Verb for when water or other liquid runs out of something because it is too full.

overflow

400

Verb for when someone asks you to pay less than you should for something.


undercharge

400

To form an opinion about a person before you really know them, especially based on ethnicity.

prejudge

400

A business deal.

transaction

500

Place where two lines or roads meet.

intersection

500

Verb for guessing the price something will be or the time it will take and you guess too much.

overestimate

500

Verb for thinking or guessing that something is smaller, less important etc than it really is. 

underestimate

500

Verb to say something existed before a certain time in history.

predate

500

To write down notes into complete sentences, or from spoken language.

transcribe

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