9 letters · 17 points in Scrabble
originEtymology tree Proto-Indo-European *dʰewh₂-der.? Ancient Greek θέειον (théeion) Ancient Greek θεῖον (theîon)der. English thio- Proto-Indo-European *bʰeh₂-der. Proto-Hellenic *pʰáňňō Ancient Greek φαίνω (phaínō)der. French phèneder. English phene English thiophene From thio- + phene ("benzene").
Etymology from Wiktionary, CC BY-SA 3.0