Jam and Over-crowding

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

Over-crowding and jam are semantically related In some cases you can replace phrase "Over-crowding" with "Jam", this terms are similar.

Nearby Word: jamming

Over-crowding noun - Excessive crowding.

Jam and over-crowding are semantically related in compress topic. Sometimes you can use "Jam" instead the phrase "Over-crowding" as a noun or a verb, if it concerns topics such as crowd, cram, blockage.