za
Yes. It is the spelling for the letter X.
No. Suq is not allowed in Scrabble.
No. Ni is not allowed in Scrabble.
No. That word is not allowed in Scrabble.
X-ray is a hyphenated word and is not legal in Scrabble.
No. In the international dictionary the word "CH" is valid, but in the American official Scrabble dictionary there is no two letter word using C.
No. The word honore is not allowed in Scrabble.
grandest
Acronyms are not allowed in Scrabble, but nairu is an allowable Scrabble word.
No. The word Zen is not allowed in Scrabble.
No. Paux is a French word, which is not allowed in Scrabble.
Yes. Zits is allowed as a Scrabble word.