cul-de-sac /kŭlˈdə-sak or kulˈ/

1. A street, etc closed at one end
2. A blind alley
3. A route that leads nowhere (figurative)

• clicketing
• clickets
• clickety-clack
• clickety-clacks
• clickety-click
• clickety-clicks
• click fraud
• clicking
• clickings
• clickjacking
• clicks
• clicks and mortar
• clickstream
• clickstreams
• click-through
• click-track
• click-tracks
• clampered
• clampering
• clampers
• clamping
• clamps
• clams
• clamshell
• clamshell phone