Yes. BI is a valid word.
BI is valid in the North American word list used for the Scrabble board game and other crossword tile games.
BI 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 BI
Short words like BI let you use a B where no longer word fits. Add an S for BIS, a B for BIB, a D for BID, a G for BIG, an N for BIN or a T for BIT.
Settle the next one at the table: score your game free in Tileside →
BI scores 4 points
Before any bonus squares: B 3 + I 1 = 4. On a double-word square that's 8, on a triple-word 12, and every letter bonus under one of these tiles is applied first.
Example: BI as the first play
Later in the game, put the B on a 3L square and BI is worth 10 before any word bonus.
Hooks: one tile makes a new word
In front of BI (1):
- OBI(West Indies) followers of a religious system involving witchcraft and sorcery
After BI (8):
Place that one tile so it also forms a word in the other direction and both words score.
Longer words from BI
Other forms of BI (1):
Words that start with BI:
Change one tile
Swap any one letter of BI and these are still words:
Same letters, other words
Memory tip
BI is short for bisexual, a person attracted to more than one gender. It takes an S for BIS and a B behind for BIB.
On these lists
Other two-letter words starting with B
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. Playing the international (Collins) list? Turn on its 20 extra two-letter words in Setup.
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.