13 letters · 20 points in Scrabble
originEtymology tree Proto-Indo-European *sem- Proto-Indo-European *sēmi Ancient Greek ἡμῐ- (hēmĭ-)lbor. English hemi- Proto-Indo-European *ḱel-der. Latin cella Proto-Indo-European *-lós Proto-Indo-European *-elós Proto-Italic *-elos Latin -ula Latin cellulabor. French cellule French -ose French cellulosebor. English cellulose English hemicellulose From hemi- (“half”) + cellulose.
Etymology from Wiktionary, CC BY-SA 3.0