SILICEOUS Scrabble 11 Words With Friends 14 Scrabble letter values: S1I1L1I1C3E1O1U1S1 = 11 Definition adjective relating to or containing or resembling silica. — synonyms: silicious Examples “gritrock is siliceous sandstone” See all 136 words you can make from SILICEOUS → 9-letter words Words starting with S Words ending with S ← Unscramble different letters