11 letters · 16 points in Scrabble
noun a copy that corresponds to an original exactly
noun the act of copying or making a duplicate (or duplicates) of something
originFrom Middle English duplicacioun, from Middle French duplication, from Late Latin duplicātiō, duplicātiōnem, from Latin duplicō. Morphologically duplicate + -ion.
Etymology from Wiktionary, CC BY-SA 3.0