You bring up some valid points. The minimum word count is three letters though, I'm 100% sure of that. I have no idea what lexicon they use to accept a word, but I too have noticed that some abbreviations regular dictionaries like oxford wouldn't count as a word, is being accepted by the game. Not sure what to do about that.
"Dynasty" needs to be removed yes.
AoG for President of the World!!
I promise he will put George W. Bush to shame!