Crossword Genius

Uno + dos (4)

Ross

I believe the answer is:

tres

I've seen this clue in the Universal, the LA Times, The New York Times, the USA Today, The Wall Street Journal and the King Feature Syndicate.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.