9 letters · 9 points in Scrabble
noun steel containing chromium that makes it resistant to corrosion
adjective (of reputation) free from blemishes
originEtymology tree English stain Proto-Indo-European *lewh₁- Proto-Indo-European *lewHs-der. Proto-Germanic *leusaną Proto-Germanic *lausaz Proto-Germanic *-lausaz Proto-West Germanic *-laus Old English -lēas Middle English -les English -less English stainless From stain + -less.
Etymology from Wiktionary, CC BY-SA 3.0