Is REFRACTIVE_INDEX a valid Scrabble word?
No, refractive_index is NOT valid for Scrabble
US/CA UK/EUNo, is NOT valid for Words With Friends
Invalid WordREFRACTIVE_INDEX is not a valid Words With Friends word.
No, is NOT valid for WordFeud
Invalid WordREFRACTIVE_INDEX is not a valid WordFeud word.