A: The current preference is for one word, no hyphen: “tryout.” This comes from the most recent editions of my two principal dictionaries: The American Heritage Dictionary of the English Language and Merriam-Webster's Collegiate Dictionary.
Is tryouts one word or two words?
tryout noun [C] (TEST USE)
Is it try out or tryout?
Word forms: tryouts
If you give something a tryout, you try it or test it to see how useful it is. The recycling program gets its first tryout in Idaho.