11 letters · 16 points in Scrabble
adjective having a valence of five
originEtymology tree Proto-Indo-European *pénkʷe Proto-Hellenic *pénkʷe Ancient Greek πέντε (pénte) Ancient Greek πεντᾰ- (pentă-)lbor. English penta- English -valent English pentavalent From penta- + -valent.
Etymology from Wiktionary, CC BY-SA 3.0