Yes, rum is a Scrabble word!
...and is worth 5 points in Scrabble, and 7 points in Words with Friends
rum
Adjective
1. Beyond or deviating from the usual or expected
Noun
1. Liquor distilled from fermented molasses
2. A card game based on collecting sets and sequences; the winner is the first to meld all their cards
What Scrabble words can I make with the letters in rum?
2 Letter Words