13 letters · 16 points in Scrabble
originEtymology tree Proto-Indo-European *tréyes Proto-Indo-European *tri- Proto-Italic *tri- Latin tri-der. English tri- Proto-Italic *knuks Latin nux Latin nucleuslbor. English nucleus English nucleo- Proto-Indo-European *dʰeh₁-der. Proto-Italic *-iðos Latin -idusder. English -ide English nucleotide English trinucleotide From tri- + nucleotide.
Etymology from Wiktionary, CC BY-SA 3.0