The most selfish 1 letter. "I" :: Avoid It.
Most Satisfactory 2 letters. "WE" :: Use It.
Most Poisonous 3 letters. "EGO" :: Kill It.
Most used 4 letters. "LOVE" :: Value It.
Most Pleasing 5 letters. "SMILE" :: Keep It.
Fastest Spreading 6 letters. "RUMOUR" :: Ignore It.
Hard Working 7 letters. "SUCCESS" :: Achieve It.
Most Enviable 8 letters. "JEALOUSY" :: Distance It.
Most Essential 9 letters. "PRINCIPLE" :: Have It.
Most Divine 10 Letters. "FRIENDSHIP" :: Maintain It.