frith (n.)

• arm
• armlet
• bay
• bayou
• belt
• bight
• brake
• canebrake
• ceja
• chaparral
• coppice
• copse
• cove
• covert
• creek
• estuary
• fjord
• gulf
• gut
• harbor
• inlet
• loch
• mouth
• narrow
• narrows
• reach
• road
• roads
• roadstead
• sound
• strait
• straits
• thicket
• underbrush
• undergrowth
• underwood