Yes, ease is a Scrabble word!
...and is worth 4 points in Scrabble, and 4 points in Words with Friends
ease
Verb
1. Move gently or carefully
2. Lessen pain or discomfort; alleviate
3. Make easier
4. Lessen the intensity of or calm
Noun
1. Freedom from difficulty or hardship or effort
2. A freedom from financial difficulty that promotes a comfortable state
3. The condition of being comfortable or relieved (especially after being relieved of distress)
4. Freedom from constraint or embarrassment
5. Freedom from activity (work or strain or responsibility)
What Scrabble words can I make with the letters in ease?
3 Letter Words
2 Letter Words