Re
Mal
Trans
Inter
Cir
100

To say something again

repeat

100

Bad habits that result in poor health

Malnutrition

100

To move from one place to another 

Tansfer

100

The worldwide computer system that allows communication and information sharing among people

Internet 

100

A round shape that has no beginning or end

Circle

200

To answer back

Respond

200

To function imperfectly or badly 

Malfunction

200

To write across languages

Transcribe

200

Involving people playing among themselves

Interactive

200

A path for an electrical current flow around

Circuit

300

To vote someone into office again

Reelect

300

Very bad or harmful 

Malignant

300

Across a continent

Transcontinental

300

To break into a conversation between different people

Interrupt

300

The distance all the way around a circle 

Circumference

400

Able to be sealed or shut again

Reclosable

400

A person who does the wrong thing

Malefactor

400

Perfectly clear

Transparent

400

The break between parts of a play, opera, or concert 

Intermission

400

Careful to look all around before doing something 

Circumspect

500

To give money back

Reimburse

500

Bad conduct or wrong doing by public official

Malfeasance

500

Light can pass through 

Translucent

500

A person who helps translate the languages between different people

Interpreter

500

To go completely around

Circumavigate