- Btam
- Bidet spray
- Bifurcate
- Big bang
- Big name
- Big pot
- Big shot
- Bigamy
- Bilabial
- Bile duct
- Bilge
- Biliary
- Bilirubin
- Billet dou
- Biltong
- Bimonthly
- Bind
- Binder
- Binocular
- Bint
- Biochemical
- Biodata
- Biofertilizer
- Biographer
- Biological clock
- Biota
- Bipedalism
- Bipolar
- Bird
- Bird of passage
- Bird-chief garuda
- Bobbitise
- Birthright revolution
- Birthstone
- Bis
- Bisam
- Bishop
- Bison
- Bit
- Bite
- Bites
- Bits
- Bitter-ground plant
- Bituminize
- Blabber
- Black aloe-wood
- Black basil
- Black buck
- Black centimony
- Black eye
- Black flax seed
- Blackleg
- Black magic
- Black money
- Black panther
- Black pomfret
- Black sea
- Black spot
- Black-fish
- Blackcumin
- Blackcurrant
- Blacken
- Blackened
- Blackmail
- Blacksmith's
- Blackwood
- Bladderstone
- Blamed
- Blameless
- Blanch
- Blankly
- Blatant
- Blaze
- Blazing
- Bleaching
- Blear
- Bleep
- Blemishless
- Blench
- Blend
- Blending of components
- Bless you!
- Blessed in conuubial happiness
- Blessing in disguise
- Blighted
- Blimp
- Blindfold
- Blissful
- Blithe
- Blitz
- Bloat
- Bloated
- Block
- Blockades
- Blocked
- Blockhead
- Blood bank
- Blood colour
- Blood money
- Blood runs cold