bacteriologic vs. bacteriological
bionomical vs. ecological
bionomic vs. ecological
behavioral vs. behavioural
Buddhist vs. Buddhistic
bicentenary vs. bicentennial
biographic vs. biographical
bitumenoid vs. bituminoid
bladderlike vs. bladdery
blastemal vs. blastematic
blastemal vs. blastemic
blastodermatic vs. blastodermic
blastoporal vs. blastoporic
blastospheric vs. blastular
boracic vs. boric
Burundi vs. Burundian
biquadrate vs. biquadratic
biquadratic vs. quartic
being vs. organism
being vs. existence
being vs. beingness
benignity vs. kindness
benignancy vs. benignity
benignity vs. graciousness
beachhead vs. foothold
beast vs. brute
beast vs. wolf
beast vs. savage
beast vs. wildcat
brush vs. brushwood
brush vs. coppice
brush vs. copse
brush vs. sweep
brush vs. brushing
brush vs. encounter
brush vs. clash
brush vs. skirmish
boarding vs. embarkation
boarding vs. embarkment
breakout vs. jailbreak
breakout vs. gaolbreak
breakout vs. prisonbreak
break vs. breakout
backfire vs. boomerang
backfire vs. blowback
backfire vs. backlash
backfire vs. recoil
backsliding vs. lapse
backsliding vs. lapsing
backsliding vs. relapse
backsliding vs. relapsing
backsliding vs. reversion
backsliding vs. reverting
breach vs. break
breach vs. rupture
breach vs. severance
breach vs. rift
breach vs. gap
blooper vs. blunder
bloomer vs. blunder
blunder vs. bungle
blunder vs. pratfall
blunder vs. fuckup
blunder vs. flub
blunder vs. botch
blunder vs. boner
blunder vs. ejaculate
blunder vs. blurt
blunder vs. fumble
blunder vs. sin
blunder vs. boob
blunder vs. goof
bobble vs. bungle
break vs. offend
break vs. transgress
break vs. infract
break vs. breakage
break vs. breaking
break vs. interruption
break vs. disruption
break vs. gap
break vs. respite
break vs. recess
break vs. fault
break vs. fracture
break vs. suspension
break vs. pause
break vs. intermission
break vs. separate
break vs. damp
break vs. weaken
break vs. dampen
break vs. soften
break vs. go
break vs. die
break vs. fail
break vs. intermit
break vs. wear
break vs. burst
break vs. erupt
break vs. collapse
break vs. give
break vs. founder
break vs. smash
break vs. ruin
break vs. part
break vs. split
blockbuster vs. megahit
bobble vs. flub
bobble vs. botch
bobble vs. fumble
bobble vs. muff
bobble vs. fluff
blow vs. bobble
bobble vs. spoil
bobble vs. bumble
bobble vs. mishandle
bobble vs. bodge
bobble vs. bollix
bobble vs. bollocks
blot vs. stain
blot vs. smear
blot vs. smirch
blot vs. spot
blot vs. daub
blot vs. smudge
blot vs. slur
buying vs. purchasing
buyback vs. redemption
ballup vs. cockup
bull vs. shit
bull vs. bullshit
bull vs. horseshit
bull vs. crap
bull vs. dogshit
bruiser vs. bull
bull vs. strapper
Samson vs. bull
bull vs. copper
bull vs. pig
bull vs. fuzz
bull vs. cop
bull vs. fake
bowl vs. roll
bowl vs. stadium
bowl vs. bowlful
bowl vs. trough
blastoff vs. shot
balk vs. rafter
balk vs. baulk
balk vs. deterrent
balk vs. check
balk vs. hindrance
balk vs. hinderance
balk vs. impediment
balk vs. handicap
balk vs. jib
balk vs. resist
ball vs. egg
ball vs. bollock
ball vs. nut
ball vs. testis
ball vs. testicle
ball vs. orchis
ball vs. ballock
ball vs. formal
ball vs. clump
ball vs. clod
ball vs. glob
ball vs. lump
ball vs. chunk
ball vs. globe
ball vs. orb
beanball vs. beaner
bender vs. curve
bender vs. carouse
bender vs. carousal
bender vs. toot
belch vs. belching
belch vs. burp
belch vs. burping
belch vs. eructation
belch vs. bubble
belch vs. eruct
belch vs. extravasate
belch vs. erupt
bullet vs. fastball
bullet vs. slug
blink vs. winking
blink vs. wink
blink vs. nictitation
blink vs. nictation
blink vs. nictitate
blink vs. nictate
blink vs. flash
blink vs. winkle
blink vs. twinkle
blush vs. flush