Term: road test: a test to insure that a vehicle is roadworthy
Broader: trial: trying something to find out about it | Unrelated: monadic operation: an operation with exactly one operand
Broader: trial: trying something to find out about it | Unrelated: gutter: a tool for gutting fish
Broader: trial: trying something to find out about it | Unrelated: fly rod: a long flexible fishing rod used in fly fishing
Broader: trial: trying something to find out about it | Unrelated: furan: a colorless toxic flammable liquid used in the synthesis of nylon
Broader: trial: trying something to find out about it | Unrelated: castor sugar: very finely granulated sugar that was formerly sprinkled from a castor
Broader: trial: trying something to find out about it | Unrelated: filefish: narrow flattened warm-water fishes with leathery skin and a long file-like dorsal spine
Broader: trial: trying something to find out about it | Unrelated: underboss: an assistant or second-in-command to a chief (especially in a crime syndicate)
Broader: trial: trying something to find out about it | Unrelated: aspartame: an artificial sweetener made from aspartic acid; used as a calorie-free sweetener
Broader: trial: trying something to find out about it | Unrelated: clove: moderate sized very symmetrical red-flowered evergreen widely cultivated in the tropics for its flower buds which are source of cloves
Broader: trial: trying something to find out about it | Unrelated: photoelectricity: electricity generated by light or affected by light