Greek Combining Forms
Latin Prefixes
Latin Bases (Roots)
Latin & Greek Suffixes
Decode the Word
100

The Greek combining form geo means: A. Water 

B. Earth C. Light D. Heat

B. Earth

100

The prefix pre‑ means: A. After B. Before C. Around 

D. Against

B. Before

100

The base port means: A. Carry B. Build C. Break D. See

A. Carry

100

The suffix ‑ology means: A. Fear of B. Shape of 

C. Study of  D. Sound of

C. Study of

100

Autograph means: 

A. A picture of someone B. A person’s own signature 

C. A written story D. A printed book

B. A person’s own signature

200

The combining form photo means: A. Sound B. Life 

C. Air D. Light

D. Light

200

The prefix sub‑ means: A. Above B. Between C. Under  D. Inside

C. Under

200

The base scrib/script means: A. Speak B. Write C. Hear D. Move

B. Write

200

The suffix ‑tion usually creates: 

A. A verb B. An adjective C. A noun  D. An adverb

C. A noun

200

Unpredictable means: 

A. Easy to guess B. Very confusing C. Always wrong 

D. Cannot be predicted

D. Cannot be predicted

300

If thermo means “heat,” then thermometer literally means: A. A device that measures heat  B. A device that measures sound C. A device that measures distance D. A device that measures time

A. A device that measures heat

300

The prefix inter‑ means: A. Between B. Without C. Over D. Again

A. Between

300

The base struct means: A. Cut B. Measure C. Run 

D. Build

D. Build

300

The suffix ‑ful means: A. Without B. Full of C. Able to D. Not

B. Full of

300

Geothermal means: 

A. Heat from the sun B. Heat from fire

C. Heat from the earth  D. Heat from electricity

C. Heat from the earth

400

The combining form micro means: A. Big B. Small

C. Fast D. Strong

B. Small

400

The prefix trans‑ means: A. Opposite B. Below 

C. Inside D. Across

D. Across

400

The base vis/vid means: A. Touch B. See C. Hear 

D. Smell

B. See

400

The suffix ‑phobia means: A. Love B. Fear C. Study D. Shape

B. Fear

400

Transportation means: A. The act of speaking B. The process of carrying across C. The study of travel D. The act of building

B. The process of carrying across

500

The combining form tele means: A. Close B. Loud 

C. Far D. Heavy

C. Far

500

The prefix anti‑ means: A. For B. Against C. Before D. Beyond

B. Against

500

The base ject means: A. Throw B. Pull C. Push D. Lift

A. Throw

500

The suffix ‑ist means: A. A person who does something B. A place where something happens C. A tool used for something D. A type of action

A. A person who does something

500

Microscopic means: 

A. Too big to see B. A type of microscope C. A tool for measuring size D. Related to looking at small things 

D. Related to looking at small things

M
e
n
u