Snarl-up and Traffic

Snarl-up noun - A number of vehicles blocking one another until they can scarcely move.

Traffic and snarl-up are semantically related. In some cases you can replace term "Traffic" with "Snarl-up", this terms are similar.

Traffic noun - The buying and selling of goods especially on a large scale and between different places.

Snarl-up and traffic are semantically related. Sometimes you can use "Snarl-up" instead a noun "Traffic". informal substitute