BESTFRIEND has 11 letters, but so does BACKSTABBER.
I LOVE YOU has 8 letters, but so does I HATE YOU
HEY has 3 letters, but so does BYE.
LOVE has 4 letters, but so does HATE.
HAPPY has 5 letters, but so does TEARS.
FOREVER has 8 letters, but so does GOODBYE.
GOOD has 4 letters, but so does EVIL.
BIRTH has 5 letters, but so does DEATH.
COURAGEOUS has 10 letters, but so does FRIGHTENED.