Yes, the word tux is accepted in scrabble.
Yes. Skort is an acceptable Scrabble word.
No, idioms are not considered valid words in Scrabble. Words played in Scrabble must be found in a standard dictionary.
nope
Anyone.
Yes. Viva is allowed in Scrabble.
inbox?
There are some online Scrabble and Scrabble related games that have a built in Scrabble dictionary to use while playing the game. However, word generators are not allowed and is considered cheating.Also, when playing the actual Scrabble board game, the Scrabble dictionary can only be used during a challenge to verify the validity of a word.
No, unless you are playing a spanish game
Not according to the Scrabble dictionary. If it is in a different dictionary that you and your opponent agree to, then go for it, but it wouldn't be accepted in a tournament.
Not following the rules, using word generators and cheating are some of the violations in Scrabble.
No, 'xo' is not a valid word in Scrabble. 'xi, xu, ax, and ox' are some of the valid 2 letter words in Scrabble containing 'x'. 'Xo' is valid only if you are playing Clabbers, a variation of Scrabble where and anagram of a proper word is allowed.