Yes, some is a Scrabble word!
...and is worth 6 points in Scrabble, and 7 points in Words with Friends
some
Adverb
1. (of quantities) imprecise but fairly close to correct
Adjective
1. Quantifier; used with either mass nouns or plural count nouns to indicate an unspecified number or quantity
2. Relatively much but unspecified in amount or extent
3. Relatively many but unspecified in number
4. Remarkable
What Scrabble words can I make with the letters in some?
3 Letter Words
2 Letter Words