If a word has a certain property, I call it an Alpha Word™. Based on the following list, determine the rule governing if a word is an Alpha Word™.
Alpha Words Not Alpha Words
AND AN
BIOLOGY APPLE
CODE AUTHORS
CONCEPTUAL BASKETBALL
FANS BUT
INFORMATION CODED
LAW CYTOPLASM
LEVEL DESPITE
LITERATE GOLF
MINING LIFESTYLE
MOVIE MACROECONOMICS
PASSIONATE MEDIA
POWER PICTURESQUE
RELATED REALISTIC
SERIOUS SEVERANCE
SYSTEM SIGNAL
THOSE SYNERGY
TRAIN THULIUM
WARRIORS VITAL
WISH XYLOPHONE
Hint 1
Because the classifications of some of these words may change over time, it should be noted that this challenge was written on December 4, 2015.
Hint 2
"FOR" demonstrates itself as an Alpha Word very much.
Hint 3
Alpha Words are not Beta Words.
Hint 4
If you are reading this, you are exactly one click away from finding the rule in this challenge. Want to use your click on this?
Hint 5 (makes this much easier)
You are also one click away from finding all of the Beta words.