Closed Syllable Prefixes
Open Syllable Prefixes
Numbers
Science-related
Other
100

pull together

contract

100

to test before

pretest

100

having two wheels

bicycle

100

the study of stars

astrology

100

a machine that movies by itself

automobile

200

not agree

disagree

200

throw forward

project

200

a shape with three angles

triangle

200

the process that plants use to turn light into food

photosynthesis

200

a machine that sends written messages from far away

telegraph

300

opposite of wind

unwind

300

wind back

rewind

300

one fourth of something

quarter

300

a tank for underwater animals

aquarium

300

the act of seeing

vision

400

pull out of

extract

400

throw back

reject

400

a shape with five sides

pentagon

400

study of small life

microbiology

400

a device that allows you to hear people from far away

telephone

500

throw into

inject

500

bend or curve down

deflect

500
six babies born at the same time

sextuplets

500

someone who studies water

hydrologist

500

the act of moving

motion

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