aw
au
o
ou
ow
100

the sharp toenails on a dog's paw

claws

100

a summer month

August

100

something you might eat in a bun

hotdog

100

a synonym for yell or scream

shout

100

farmers do this to their fields

plow

200

you might do this if you are tired

yawn

200

watch out for this kind of house at Halloween

haunted

200

where frogs and fish live

pond

200

something you sit on 

couch

200

a lot of people together

crowd

300

something that is similar to hay

straw

300

someone who writes a book

author

300

another name for a race or competition

contest

300

what you do with a hammer

pound

300
a letter that isn't a consonant

vowel

400

a baby usually does this before it learns to walk

crawls

400

what you do when there's a comma in a passage

pause

400

an eight-legged sea creature

octopus

400

you might hike to the top of this

mountain

400

a sweet smelling plant

flower

500

another name for a puzzle

jigsaw

500

what you put in the washer and then the dryer

laundry

500

an eight-sided shape

octogon

500

someone at school you can talk to about anything

counselor

500

a thick soup with clams or corn

chowder