con-
de-
infra-/struct
ob-
re-
100
What does con- mean?

with, together

100

What does de- mean?

from, away, down, apart; not

100

What does infra- mean?

beneath

100

What does ob- mean?

to, toward, against

100

What does re- mean?

back, again

200

the action or process of building

construction

200

to deliberately destroy an object

destruct

200

underlying framework of a system

infrastructure

200

an obstacle put up against something else

obstruction

200

to put together again

reconstruct

300

to form by putting together parts

construct

300

the act of destroying; a state of damage

destruction

300

that which is built in a particular way

structure

300

to block or fill with obstacles

obstruct

300

the act of putting back together

reconstruction

400

He was hoping to _______ the new model airplane within a week.

construct

400

The hurricane that struck the Florida coast caused a great deal of ____________.

destruction

400

The ________ of a school consists of teachers, administration, and a school board.

infrastructure

400

The accident on the highway was a major _________ to the flow of traffic.

obstruction

400

Jeremy kept busy all afternoon with the ________ of his Lego tower from the fallen pieces.

reconstruction

500

The ________ of the new bridge took two years.

construction

500

In the science fiction movie, the plan was to _______ the space vehicle.

destruct

500

A large _______ is being erected on the old fairground site.

structure

500

If the dead tree should fall it will _______ the road.

obstruct

500

In order to solve the case, the detective had to _______ the crime scene.

reconstruct