Sweat suit and Warm-up

Sweat suit noun - Garment consisting of sweat pants and a sweatshirt.

Warm-up and sweat suit are semantically related. In some cases you can use "Warm-up" instead a noun phrase "Sweat suit".

Warm-up noun - A performance, activity, or event that precedes and sets the stage for the main event.

Sweat suit and warm-up are semantically related. You can use "Sweat suit" instead a noun phrase "Warm-up".