four flush; four horsemen; four hundred; four o'clock; four times; four-card monte; four-centered arch; four-dimensional; four-flusher; four-fold; four-footed; four-footed butterfly; four-four time; four-hitter; four-hundredth; four-in-hand; four-lane; four-letter anglo-saxon word; four-letter word; four-lined leaf bug; four-lined plant bug; four-lobed; four-membered; four-minute man; four-needled; four-o'clock family; four-part harmony; four-party; four-petaled; four-petalled; four-ply; four-poster; four-pounder; four-pronged; four-sided; four-spot; four-stroke engine; four-stroke internal-combustion engine; four-tailed bandage; four-wheel; four-wheel drive; four-wheeled; four-wheeler; four-wing flying fish; four-year-old;