Yes, pix is a Scrabble word!
...and is worth 12 points in Scrabble, and 13 points in Words with Friends
pix
Noun
1. A chest in which coins from the mint are held to await assay
2. Any receptacle in which wafers for the Eucharist are kept
What Scrabble words can I make with the letters in pix?
2 Letter Words
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Words that can be created with an extra letter added to pix:
Y:pixy