Yes. REZ is a valid word.
REZ is valid in the North American word list used for the Scrabble board game and other crossword tile games.
REZ is in the NASPA Word List 2023 (NWL2023), the North American list that Tileside uses for challenges and the one used in club and tournament play.
About REZ
REZ is an informal short form of reservation, especially a Native American reservation; its plurals are REZES and REZZES. REZ ends in Z, so it can put the 10-point Z on a bonus square at the end of a play. Its R and E are easy tiles to hold.
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REZ scores 12 points
Before any bonus squares: R 1 + E 1 + Z 10 = 12. On a double-word square that's 24, on a triple-word 36, and every letter bonus under one of these tiles is applied first.
Example: REZ as the first play
Later in the game, put the Z on a 3L square and REZ is worth 32 before any word bonus.
Hooks: one tile makes a new word
In front of REZ (1):
Place that one tile so it also forms a word in the other direction and both words score.
Longer words from REZ
Change one tile
Swap any one letter of REZ and these are still words:
Same letters, other words
Memory tip
REZ is short for reservation, as in a Native American reservation.
On these lists
Check words at the table, free
Tileside keeps score, checks words like this one during a challenge, tracks the tiles left in the bag and times turns. It runs in your phone's browser with no account and works offline.
Tileside checks words against the North American list, the NASPA Word List 2023. Your group's chosen dictionary always wins.
Word list: NASPA Word List 2023, used under license. NASPA Word List 2023 Edition © NASPA 2023. The copy included in this app is licensed for personal use. You may not use it for any commercial purposes.
Works with the Scrabble board game, played at the table. Tileside is an independent product, not affiliated with or endorsed by the makers of Scrabble.