SIAL Scrabble 4 Words With Friends 5 Scrabble letter values: S1I1A1L1 = 4 Definition noun the granitelike rocks that form the outermost layer of the earth's crust. Examples “rich in silicon and aluminum” Anagrams of SIAL ailssail See all 16 words you can make from SIAL → 4-letter words Words starting with S Words ending with L ← Unscramble different letters