Ar·len 
(ärlən), Harold 1905-1986.
(ärlən), Harold 1905-1986. American composer of more than 400 songs, including the Academy Award-winning "Over the Rainbow" (1939).
- know-nothingism
- know one's place
- know place
- know (someone) in the biblical sense
- know someone in the biblical sense
- Knox
- Knox
- Knoxville
- Knt.
- knuckle
- knuckle ball
- knuckleball
- knuckleballer
- knucklebone
- knuckle down
- knuckle-duster
- knucklehead
- knuckle joint
- knuckler
- knuckle sandwich
- knuckle under
- Knud Johan Victor
- knur
- knurl
- knurled