Yes, lord is a Scrabble word!
...and is worth 5 points in Scrabble, and 6 points in Words with Friends
lord
Verb
1. Make a lord of someone
Noun
1. Terms referring to the Judeo-Christian God
2. A person who has general authority over others
3. A titled peer of the realm
What Scrabble words can I make with the letters in lord?
3 Letter Words
2 Letter Words