There are two answers to this question: 1) worth the most points on the tile 2) get used in the best words Q (10) and Z(10) are the letters that are worth the most each, but S(1) and [Blank](0) are the most valuable tiles, because they lead to the best words.
The highest scoring letters are Q and Z, both worth 10 points.
There are two (2) letters with assigned point value of ten (10) points each in standard scrabble, the letter 'Q' and 'Z' tiles. These two (2) letter tiles carry the highest points.
Q and Z both are worth 10 points.
Q and Z both are worth 10 points.
If you have an adequate vocabulaty, no letters are hard to use in scrabble. Here are the letters that might be more difficult than others, so they are worth more points: 5 points: K×1 8 points: J×1, X×1 10 points: Q×1, Z×1
Point values for individual letters are as follows: K - 5 points; A -1 point; Z -10 points; O - 1 point. Therefore the point value for the letters in the word KAZOO is 18 points.
There is one X in the 100 letters available in a Scrabble game and it is worth 10 points.
There are two high score letters. Q and X both are worth 10 points each.
10 Points for a Z in Scrabble
It's worth 8 points in Scrabble, and 10 points in Words with Friends.
The letters valued higher than one point are as follows (the values are in parentheses): B(3) C(3) D(2) F(4) G(2) H(4) J(8) K(5) M(3) P(3) Q(10) V(4) W(4) X(8) Y(4) Z(10)