using System;

using System.Linq;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        var word = "c.....rc";

        var listOfWords = new List<string>{"gandalf", "legolas", "arwen", "bilbo", "frodo", "balron", "saruman", "cedric"};

        var match = string.Empty;

        word = new string(word.Where(c => Char.IsLetterOrDigit(c) || Char.IsWhiteSpace(c)).ToArray());

        if (!string.IsNullOrEmpty(word)) {

            match = listOfWords.FirstOrDefault(lw => word.All(x => lw.Contains(x)));

        }

        if (!string.IsNullOrEmpty(match)) {

            Console.WriteLine($"Found match: {match} ");

        } else {

            Console.WriteLine($"No match found.");

        }

    }

}