'sweats' is a correct and usable word in written English.
It can be used as a noun or verb. Example sentence: When I'm anxious, I tend to sweat a lot, even if the room isn't that hot.
Viggo stumbles and sweats through the unforgiving landscape and a series of surreal encounters.
It suggests what it would be like to attend a black-tie soirée and discover everyone else in sweats.
It is not disappointing (sweats are much more comfortable) so much as surprising and slightly strange.
Her almost translucent features are photographed in close-up as she sweats and suffers.
The only boat around belongs to Captain Ziggie who, along with his two crewmen, sweats from heaving ice chests onto the deck.
Mr Marimón, an Afro-Colombian like most people in this part of the north coast, sweats gently as he contemplates the motionless fan on his desk.
This view has spawned a vibrant market for brain-building baby toys, and an education-reform movement that sweats over test scores.
He has hired old sweats from the days of Soviet central planning to run the central bank and what passes for economic policy.
Refreshed from his holiday, no doubt, while Mr Mer sweats to get two and two to make five.
As the AIDS epidemic began to kill his San Francisco friends in the 1980s, Mr Gunn turned back instinctively to formal metre to mourn them, as in "The Man with Night Sweats":I wake up cold, I who Prospered through dreams of heat Wake to their residue, Sweat, and a clinging sheet.As his friends died around him, Mr Gunn often questioned why he had been spared.
