There are a total of 1673 6-letter words starting with the letter 'b', and the number may vary in different dictionaries. You can specify the dictionary and order.

• before ₁₂
• better ₉
• become ₁₅
• became ₁₅
• bureau ₁₁
• beyond ₁₃
• behind ₁₃
• boston ₁₀
• budget ₁₃
• branch ₁₅
• bottom ₁₂
• bridge ₁₂
• battle ₁₀
• bodies ₁₀
• broken ₁₄
• belief ₁₃
• behalf ₁₅
• burden ₁₂
• beauty ₁₂
• begins ₁₂
• bright ₁₃
• boards ₁₀
• border ₁₀
• bought ₁₄
• bishop ₁₄
• breath ₁₁
• blocks ₁₇
• brings ₁₂
• breast ₉
• berlin ₁₁
• beside ₁₀
• butter ₁₀
• buying ₁₅
• belong ₁₃
• brazil ₁₉
• buried ₁₁
• beings ₁₂
• bottle ₁₀
• burned ₁₂
• breach ₁₄
• button ₁₁
• boiler ₁₀
• blacks ₁₇
• butler ₁₁
• bitter ₉
• barrel ₁₀
• barely ₁₂
• buyers ₁₂
• broker ₁₃
• ballot ₁₁
• brooks ₁₃
• breaks ₁₃
• bronze ₁₉
• bailey ₁₂
• backed ₁₇
• buffer ₁₆
• bigger ₁₃
• burial ₁₁
• bodily ₁₃
• basket ₁₃
• bloody ₁₃
• babies ₁₂
• borrow ₁₂
• barred ₁₀
• binary ₁₂
• bounds ₁₂
• burton ₁₁
• blades ₁₁
• behold ₁₃
• barley ₁₂
• beaten ₁₀
• baking ₁₆
• bonded ₁₂
• births ₁₁
• barber ₁₂
• basins ₁₀
• bundle ₁₃
• beaver ₁₃
• bullet ₁₂
• brands ₁₁
• breeze ₁₈
• behave ₁₅
• banker ₁₄
• boiled ₁₁
• briefs ₁₂
• bubble ₁₇
• boring ₁₂
• brains ₁₀
• botany ₁₂
• banner ₁₁
• bucket ₁₇
• bother ₁₁
• barton ₁₀
• brakes ₁₃
• bidder ₁₁
• benign ₁₃
• beacon ₁₃
• burner ₁₁
• barker ₁₃
• barren ₁₀
• beasts ₉
• bushel ₁₃
• ballet ₁₁
• builds ₁₂
• blanks ₁₅
• breeds ₁₀
• binder ₁₁
• bypass ₁₄
• backup ₂₀
• bricks ₁₆
• brutal ₁₁
• bushes ₁₂
• begged ₁₄
• buddha ₁₃
• biopsy ₁₄
• blamed ₁₄
• brewer ₁₂
• bounty ₁₃
• beetle ₁₀
• barium ₁₃
• biased ₁₀
• baxter ₁₅
• brandy ₁₃
• bearer ₉
• bowman ₁₆
• bovine ₁₄
• boldly ₁₄
• barges ₁₁
• bakery ₁₅
• blight ₁₄
• bunker ₁₅
• bylaws ₁₅
• banana ₁₁
• barney ₁₂
• billed ₁₂
• banned ₁₂
• bursts ₁₀
• bowels ₁₃
• beheld ₁₃
• basics ₁₂
• bamboo ₁₅
• bolted ₁₁
• basalt ₁₀
• biting ₁₂
• bomber ₁₅
• bolton ₁₁
• ballad ₁₂
• bowers ₁₂
• bergen ₁₂
• boxing ₁₉
• betray ₁₁
• bender ₁₁
• beware ₁₂
• biases ₉
• bluffs ₁₇
• bonnie ₁₁
• burger ₁₂
• basing ₁₂
• blends ₁₂
• bosses ₉
• bertha ₁₁
• bluish ₁₃
• blower ₁₃
• barrow ₁₂
• blooms ₁₃
• batter ₉
• barlow ₁₃
• banded ₁₂
• barter ₉
• bestow ₁₂
• bonnet ₁₁
• blonde ₁₂
• bodied ₁₁
• bayard ₁₂
• bethel ₁₂
• bessie ₉
• bedded ₁₂
• beggar ₁₃
• badger ₁₂
• braces ₁₂

There are 1673 6-letter words starting with the letter b in the well-known word game dictionary, in the Scrabble US (US/Canada/Thailand - TWL/NWL) dictionary, and in the Scrabble UK (International - SOWPODS/CSW) dictionary, and in the Words with Friends (WWF) dictionary.