Term: surveillance: close observation of a person or group (usually by the police)
Broader: activity: any specific behavior | Unrelated: emmenthal: Swiss cheese with large holes
Broader: activity: any specific behavior | Unrelated: deputation: a group of representatives or delegates
Broader: activity: any specific behavior | Unrelated: aperture: a device that controls amount of light admitted
Broader: activity: any specific behavior | Unrelated: trichostema: genus of North American aromatic herbs or subshrubs: blue curls
Broader: activity: any specific behavior | Unrelated: gun enclosure: a self-contained weapons platform housing guns and capable of rotation
Broader: activity: any specific behavior | Unrelated: bowling equipment: equipment used in bowling
Broader: activity: any specific behavior | Unrelated: heterostraci: extinct group of armored jawless fishes or fish-like vertebrate; taxonomy is not clear
Broader: activity: any specific behavior | Unrelated: involutional depression: a major depressive episode associated with the climacteric
Broader: activity: any specific behavior | Unrelated: freshwater bass: North American food and game fish
Broader: activity: any specific behavior | Unrelated: puka: small roundheaded New Zealand tree having large resinous leaves and panicles of green-white flowers