10 letters · 22 points in Scrabble
verb change something so that its value declines; for example, art forms
verb declare a child to be illegitimate
originEtymology tree English bastard Proto-Indo-European *-id- Proto-Indo-European *-yéti Proto-Indo-European *-idyéti Proto-Hellenic *-íďďō Ancient Greek -ῐ́ζω (-ĭ́zō)bor. Late Latin -izōder. Middle French -iserbor. Middle English -isen English -ize English bastardize From bastard + -ize.
Etymology from Wiktionary, CC BY-SA 3.0