because it is the name of a game and a name is not a word
lore orle
I, if, in, it, ice, ill, ire, inch, into, iron, igloo, image, inner, irony, itchy, ivory, imagine.
Some words from the word "scrabble" are: a able ace acre ale arc are as babe babel bale bar barb bare base be bear blab blare blase bra brace cab cable car care case cel clabber clear crab ear ebb el...
technically its not English. so no its not in scrabble.