Is POSSE a valid word?

Yes. POSSE is a valid word.

POSSE 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.

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POSSE scores 7 points

Before any bonus squares: P 3 + O 1 + S 1 + S 1 + E 1 = 7. On a double-word square that's 14, on a triple-word 21, and every letter bonus under one of these tiles is applied first.

Hooks: one tile makes a new word

After POSSE (2):

Place that one tile so it also forms a word in the other direction and both words score.

Same letters, other words

These use exactly the letters of POSSE:

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.

Score a game Study short words

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.