Anagrammer Crossword Solver is a powerful crossword puzzle resource site. We maintain millions of regularly updated crossword solutions, clues and answers of almost every popular crossword puzzle and word game out there. We encourage you to bookmark our puzzle solver as well as the other word solvers throughout our site. Explore deeper into our site and you will find many educational tools, flash cards and plenty more resources that will make you a much better player. This page shows you that RUNE is a possible answer for Celtic letter. You can also see that this clue and answer has appeared in these newspapers and magazines: March 3 2018 Thomas Joseph - King Feature Syndicate, June 26 2017 Thomas Joseph - King Feature Syndicate, May 14 2015 Thomas Joseph - King Feature Syndicate and more.