14 letters · 27 points in Scrabble
originEtymology tree English apocalyptic Proto-Indo-European *-id- Proto-Indo-European *-yéti Proto-Indo-European *-idyéti Proto-Hellenic *-íďďō Ancient Greek -ῐ́ζω (-ĭ́zō) Proto-Indo-European *-mos Proto-Indo-European *-mós Ancient Greek -μός (-mós) Ancient Greek -ισμός (-ismós)der. English -ism English apocalypticism From apocalyptic + -ism.
Etymology from Wiktionary, CC BY-SA 3.0