ai
ay
au
mis-
pre-
un-
100

A tool used to paint walls

paint

100

A duck will ___ an egg

lay 

100

The liquid added to food for flavor

sauce

100

When you understand something incorrectly

misunderstand

100

To look at something ahead of time

preview

100

To not be able to be seen

unseen

200

A group of connected railroad cars

train

200

To purchase something

pay

200

A type of water vessel

saucer

200

To place something in the wrong location

misplace

200

To set up an appointment beforehand

preschedule

200

To release from a knot

untie

300

When water falls from the sky

rain

300

The opposite of night

day

300

A noisy or rowdy gathering

haul

300

A word for treating someone badly

mistreat

300

To make ready before

prepare

300

The opposite of tidy

untidy

400

The part of a chair you lean back on

chair

400

Horses eat 

hay

400

The person in command

author

400

An error in spelling

misspell

400

An introduction to a book  

preface

400

Not certain about something

uncertain

500

A bodily discomfort or suffering

pain

500

To move smoothly in a line

sway

500

To decline or refuse

fault

500

A wrong idea or belief

misconception 

500

To pay for something before receiving it

prepay

500

A term for something that hasn't been discovered

unknown

M
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