What should you do if a word is marked as misspelled but is actually correct?

If a Word is marked as misspelled but is actually correct, first check the context to ensure it's used appropriately. Then, verify the spelling against a reliable dictionary to confirm its accuracy. If it is indeed correct, you can usually add it to the spell-check dictionary or ignore the warning in your writing software. Additionally, consider checking for regional variations, as some Words may be spelled differently in different English dialects.