The 10th anniversary is a special occasion that marks the completion of 10 years. The crossword solutions for this term are TIN (3 letters), COVET (5 letters), Soph (4 letters), and Capet (5 letters). TIN is a chemical element with the symbol Sn and atomic number 50. COVET means to strongly desire something that belongs to someone else. Soph is short for sophomore, which is a student in the second year of high school or college. Finally, Capet is an old French dynasty that ruled France from 987 to 1328.