Loch is a lake (e.g., Loch Nest monster).
Lock can be a door fastening for security or a canal gated at each end that raises or lowers watercraft from one level to another (the locks of St. Lawrence River).
Loch is a lake (e.g., Loch Nest monster).
Lock can be a door fastening for security or a canal gated at each end that raises or lowers watercraft from one level to another (the locks of St. Lawrence River).