Jam and Rush hour

Jam noun - A crowded mass (as of cars) that impedes or blocks movement.

Rush hour and jam are semantically related In some cases you can use "Rush hour" instead a noun "Jam".

Nearby Word: jamming

Rush hour noun - The times at the beginning and end of the working day when many people are traveling to or from work.

Jam and rush hour are semantically related in heaviest commuter traffic topic. You can use "Jam" instead a noun phrase "Rush hour".