10 letters · 14 points in Scrabble
verb decrease in size, extent, or range
verb make smaller
adjective becoming less or smaller
originEtymology tree English decrease Proto-Indo-European *-onts Proto-Germanic *-ndz Proto-West Germanic *-andī Old English -ende Middle English -ynge English -ing English decreasing From decrease + -ing (participial suffix).
Etymology from Wiktionary, CC BY-SA 3.0