10 letters · 14 points in Scrabble
noun a change for the better; progress in development
noun an improvement that adds to the value of a property or facility
noun the act of relieving ills and changing for the better
originEtymology tree English better Proto-Indo-European *-mn̥ Proto-Indo-European *-mn̥tom Proto-Italic *-mentom Latin -mentum Old French -mentbor. Middle English -ment English -ment English betterment From better + -ment.
Etymology from Wiktionary, CC BY-SA 3.0