15. English Compound Words

quarter hour

quarterback

quarterfinal

question mark

quick-tempered

quicksand

ragweed

railroad

railway

rain boots

raindrops

rainfall

rainforest

rattlesnake

redwood

reference book

reform school

remote control

respiratory tract

Rhode Island

ring finger

ringleader

river basin

riverbank

riverbed

roadrunner

roller-skate

Roman Catholic

Roman numeral

roundhouse

roundup

rubber band

runaway

runoff

runway

sagebrush

salesperson

saltwater

San Diego

San Francisco

sand castle

sand dollar

sand spit

sandbar

sandpaper

Saudi Arabia

savings account

sawhorse

sawmill

scarecrow

scavenger hunt

school supplies

schoolhouse

science fiction

scientific name

scoreboard

scorekeeper

scrapbook

screwdriver

scriptwriter

sea cow

sea cucumber

sea level

sea lion

sea snake

sea turtle

sea urchin

seafaring

seafood

search and rescue

seaweed

secondary color

secondhand

security guard

seed coat

seesaw

self-centered

self-confidence

self-discipline

self-governing

self-reliance

self-reliant

semifinal

sharecropper

sheet music

shellfish

shipshape

shipwreck

shock absorber

shoreline

shorthand

showdown

shutout

side effect

sidecar

sidekick

sideline

sidestep

sidetrack

sidewalk

sideways

sign language

signmaker

silkworm

silverware

simple machine

sinkhole

sit-in

skin graft

skydiving

skyline

skyscraper

slap shot

slave trade

sleeping bag

slingshot

slowpoke

small intestine

smartphone

smokestack

snapdragon

snapshot

snow leopard

snowboard

snowboarding

snowdrift

snowmobile

snowshoe hare

snowshoes

snowy owl

social studies

softball

softhearted

software

solitary confinement

someone

somewhat

sonic boom

sound barrier

sound wave

South America

South Carolina

South Dakota

south pole

South Pole

southeast

southwest

soybean

space flight

space shuttle

space station

spacecraft

spaceship

Special Delivery

special effect

speed skating

spelling bee

springtail

St. Louis

staff writer

stagecoach

stairway

standoff

starstruck

stateroom

steam engine

steamboat

steamship

steel driver

steering wheel

stepbrother

stepdaughter

stepfather

stepmother

stepsister

stepson

still life

stock car

stockyard

stopwatch

storyteller

straightaway

streamlined

streetcar

stronghold

sudden death

sugarcane

sunburn

sundial

sunflower

sunglasses

sunscreen

sunspot

superhero

supermarket

Supreme Court

suspension bridge

sweatband

sweatpants

sweatshirt

sweet potato

switchboard