Yes, "Unix" is considered a valid Scrabble word, as it is a proper noun that refers to a computer operating system. However, the acceptability of proper nouns can vary depending on the specific Scrabble dictionary being used. In official tournaments, it's important to check the rules and the accepted word list for that event.
No. Qu is not a valid Scrabble word.
Yes. Speculate is a valid Scrabble word.
Nope. Indew is not a valid Scrabble word.
Yes, "ax" is a valid Scrabble word.
Yes, "keyword" is a valid Scrabble word.
Yes, "scramble" is a valid Scrabble word.
Yes, "Scrabble" is considered a valid word in the game of Scrabble.
Yes. Ex is a valid Scrabble word.
No. Oz is not a valid Scrabble word.
Yes, "lez" is a valid word in the game of Scrabble.
No. Xe is not a valid Scrabble word.
Yes, "bingo" is considered a valid word in the game of Scrabble.