Prefix Meanings
Base Words & Core Definitions
Earth, Sea & Spatial Terms
Compound Vocabulary Words
Writing, Structure & Guidance
100

This prefix means "half" or "partly".

semi

100

A round 2D shape where every point on the edge is the same distance from the center.

circle

100

 An area or region set aside for a specific purpose.

zone

100

 Meaning "happening twice a year or every half-year," this word combines the prefix for "half" with "annual".

semiannual

100

A person who copies or writes down documents by hand, or to write.

scribe

200

his prefix means "wrong," "bad," or "falsely".

mis

200

To become visible or come into sight.

Hint-can has "dis" in front of it. 

appear

200

Relating to, found in, or produced by the sea or ocean.

marine

200

Meaning "to be of sight or cease to exist," this word combines the prefix for "not/opposite" with "appear".

disappear

200

To give information or news to someone.

inform

300

This prefix means "away," "off," "opposite," or "not".

dis

300

Occurring or happening once every year.

annual(ly)

300

The physical features or surface layout of a stretch of land.

terrain

300

Meaning "to send, guide, or instruct in the wrong direction,"

misdirect

300

To guide, manage, or show the way, or going straight without stopping

direct

400

This prefix means "between" or "among".

inter

400

Following official rules, customs, or serious etiquette. 


Hint: Think "wedding"

formal

400

 A harbor where ships load and unload cargo, or an opening for passing through.

port
400

 Meaning "in between two areas"  

interzone

400

A distinct part, piece, or slice cut out from a larger whole.

section

500

 This prefix means "across," "through," or "beyond".

trans

500

To identify the nature of an illness, problem, or fault through examination.

diagnose

500

A layer, cover, or cloak, or specifically the layer of Earth beneath the crust.

mantle

500

Meaning "the area or ground existing beneath the Earth's surface."

subterrain(ian)

500

Meaning "to write down or copy spoken words. Moving through words into writing."

transcribe

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