co-
de-
micro-
mid-
inter-
100

coworker

someone you work with

100

defrost

to remove frost

100

microscope

a tool used to look at very small things

100
midafternoon

in the middle of the afternoon

100

interstate

a road between multiple states

200

cooperate

work together

200

deform

to shape out of its current form

200

microwave

a cooking device using very small waves

200

midsentence

in the middle of a sentence

200

intermix

to mix together 

300

co-creator

someone you make something with

300

deforest

to destroy or remove trees from the forest

300

microphone

takes a small sound and makes it larger

300

midbrain

in the middle of the brain

300

interweave

to weave or place between layers

400

coauthor

someone who writes something with another person

400

deport

to move out of the country 

400

micromanage

to control every small detail of a project

400

midair

in the middle of the air; in the air

400

internet (net comes from "network")

a network between multiple computers

500

co-captain

someone who is captain with another person

500

defuse

to make a dangerous situation calmer; to remove the fuse

500

microsecond

a very small amount of time

500

midyear

in the middle of the year

500

interrupt ("rupt" means to break)

to break into a conversation