English Prefixes

Number Prefixes

100

What does the "Dec-" prefix stand for?

Ten (as in decade)

200

What does the "Cent-" prefix stand for?

Hundred (as in century)

300

What does the "tri-" prefix mean?

3

400

What is a prefix for 2?

Dua-, bi-, duo- 

500

What's another prefix for "sol-"?

Mono- Uni- 

Latin Prefixes

100

"Contra-", eg Contrast, contradict, contrary

1) Oppose
2) Different
3) Against

3) Against

200

"Extra-" eg Extraterrestrial, Extraordinary, extrovert

1) Bigger
2) Outside
3) Independant

2) Outside

300

"Mis-" eg Mistake, Misdiagnose, Mistype

1) Error
2) Problem
3) Solution

1) Error

400

"Circum-" eg Circumference, Circumstance, circumnavigate. 

1)Around
2)Through
3) between

Around

500

"Retro-" eg Retro, Retrograde, Retroreflector.

1) Forwards
2) Backwards
3) Sideways

Back / Backwards

What's in Common?

100

Astrology, Astronomy, Astronaut, Astrologer

Astro- meaning Stars

200

Terrain, Territory, Terraform, Terrerium 

Terr meaning Earth

300

Mortal, Morbid, morgue, mortgage

"Mor" meaning death

400

Divert, revert, convert, subvert

Vert- meaning to turn.

500

Spectator, Spectacle, Inspect, retrospect

Spect- To see something

Greek Prefixes

100

"Hemi-" as in hemisphere.

1) Half
2) Fourth
3) 2 times

Half

200

"Octa-" as in octagon

1) Seven
2) Eight
3) Nine

Eight

300

"Micro-" as in Microscope and micrometer.

1)Very Large
2) Normal Size
3) Very Small

Very Small

400

"Tele-" as in Television, telescope, telekenesis 

1)Close
2) Near
3) Far away

Far away

500

"Photo-" as in Photograph, Photon, photosynthesis

1)Light
2)Sound
3)Smell

Light

Split the words

100

Triangle

Tri + angle

200

Contradict

Contra "Against" + Dict "Say"

300

Subway

"Sub" (Under) + Way

400

Prejudice

Pre (Before) + Jud (Judge) + ice

500

Helicopter

Helico (Spiral) + Pter (fly)