10 letters · 22 points in Scrabble
adjective not frequent; not occurring regularly or at short intervals
originEtymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Italic *n̥- Latin in-bor. Middle English in- English in- English frequent English infrequent From in- + frequent.
Etymology from Wiktionary, CC BY-SA 3.0