How to spell SWEATEST correctly?

If you meant to say "sweetest", that's spelled with two "e's" rather than two "a's". Another option could be "sweatiest", spelled with an "i" in between the "e" and "a". If you were trying to spell a different word entirely, please provide more context.

• sweatiest I think I'm the sweatiest person here.
• sweetest My grandmother always baked the sweetest treats.

Intertubing

• antedating
• entertain
• entertainer
• entertaining
• inditing
• inner-tubing
• intertwine
• interurban
• intuiting
• undertaking