"Y Guess" is a great business name for a company or an app that gives you answers to all your guesses.
The word "yguess" contains only six letters and only two syllables. Two-syllable names are highly rare and extremely sought after. Two syllable names are used by established brands like Hilton, Gucci and Disney.
This domain was first registered in October 2004. Older domains have an advantage when ranking in search engines.