1
2
3
4
5
100

A large, strong animal often used for riding or pulling loads

horse

100

Covered with dirt or grime

dirty

100

The number following twelve

thirteen

100

A long, slender, limbless invertebrate

worm

100

A piece of clothing worn on the upper body

shirt

200

To gain knowledge or skill through study or experience

learn

200

To be consumed by fire or intense heat

burn

200

To get money or other rewards through work or effort

earn

200

To perform jobs or duties

work

200

To experience pain or discomfort

hurt

300

To form into a spiral shape

curl

300

To bend, not a straight line

curve

300

A past form of "wear" 

worn

300

A number of points or marks awarded in a game or competition

score

300

A flat surface, often made of wood, used for various purposes, like on doors or wooden floors.

board

400

A set of classes in a certain subject

course

400

A horse bred for racing, known for its speed and endurance

thoroughbred

400

Immensely large in size or quantity

enormous

400

To heal or restore to health

cure

400

An obstacle that must be overcome

or

A type of fence racers jump over

hurdle

500

To look closely for something or someone

search

500

Steady and not easily shaken, bent, or broken

firm

500

Not mixed with anything else

pure

500

Not from this country

foreign

500

A sincere and determined attitude

earnest