No. Qu is not a valid Scrabble word.
Nope. Indew is not a valid Scrabble word.
Yes. Ex is a valid Scrabble word.
yes Gaza is valid scabble word
Unfortunately VAX is not a scrabble word.
No. Qu is not a valid Scrabble word.
Yes. Speculate is a valid Scrabble word.
Nope. Indew is not a valid Scrabble word.
Yes. Ex is a valid Scrabble word.
yes Gaza is valid scabble word
Oz "Oz" is not acceptable in Scrabble, if that's what you're getting at. ;-)
Unfortunately VAX is not a scrabble word.
No. Xe is not a valid Scrabble word.
no
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.
Yes, "ova" is a valid word in Scrabble.
Yes, it's a valid Scrabble word.