8 letters · 13 points in Scrabble
adverb unmistakably (`plain' is often used informally for `plainly')
originEtymology tree English patent Proto-Indo-European *leyg-der. Proto-Germanic *līkąder. Proto-Germanic *-līkaz Proto-Germanic *-ê Proto-Germanic *-līkê Proto-West Germanic *-līkē Old English -līċe Middle English -ly English -ly English patently From patent + -ly.
Etymology from Wiktionary, CC BY-SA 3.0