Compound Words

Something that is fire resistant:

• waterproof
• concrete
• firefly
• fireproof

Working in secret:

• underachieve
• hidden
• undercover
• quietly

A group of people who live together in a house:

• household
• family
• housework
• friends

When the earth shakes:

• volcano
• earthquake
• earthbound
• storm

Period of time during which something lives:

• lifelong
• timeline
• lifetime
• timeout

A piece of leather you can use to help you put a boot on:

• shoelace
• bootstrap
• doorstop
• belt

A large area containing many seats in rows, from which people can watch sports:

• stadium
• baseball
• grandstand
• gym

To do less than what you actually can:

• overachieve
• fail
• underachieve
• understand

The side of a river:

• riverbank
• sandbar
• ditch
• runoff

A marked place in a street where traffic must stop to allow people to walk across:

• stoplight
• crosswalk
• yield
• overpass