9 letters · 13 points in Scrabble
noun a process of becoming larger or longer or more numerous or more important
noun the amount by which something increases
originFrom Middle English encrement, increment, from Latin incrēmentum, from incrēscō (whence increase), from in- + crēscō (“grow”). Equivalent to increase + -ment.
Etymology from Wiktionary, CC BY-SA 3.0