Bocsach, a boasting, or bragging.
Bod, to be; essence, being; a mansion, an habitation.
Bod, a kite; bod y gwerni, a buzzard; bod tinwyn, a bald buzzard.
Bodio, to finger, fumble.
Bodron, a kind of flummery.
Bodd, free-will, content; boddhau, to please, give content; boddlawn, bodlon, contented, willing; boddloni, bodloni, to please, to content.
Boddi, to be drowned, to drown, drowning.
Bodryda, modrydaf, a bee-hive.
Bogail, bogel, the navel.
Boglyn, boss, knot.
Bol, boly, the belly; bola croen, a muzzle; bolchwydd, belly swelling, pride; bolera, yfed ar ormes, to spunge, or drink without paying; bolerwr, spunger, parasite; bolgan, a budget; bolwst, the belly-ache.
Bolch, bwlch, a gap, notch.
Bollt, a bolt, a dart; bolltod, the casting of darts or stones out of an engine.
Boloch, uproar, trouble.
Bon, the stump, or butt-end of a thing; bonclust, a box on the ear; bondo, the house-eaves; boniad, the hinder part; bonwm, boncyff, a stump of tree; bonffaglu, to singe; bonllost, shaft, tail.
Bonedd, nobility, gentry.
Bonllef, a shout, a shriek.
Bord, a table, a board; y Ford Gron, the Round Table.
Bore, the morning; boreddydd, the morning; borefwyd, tor cythlwng, a breakfast; boregwaith, a morning.
Bors, a burst, hernia.
Bôst, a boasting; bostio, to boast.
Botas, spatter-dashes, buttoned hose.
Botwm, a button; botymog, buttoned.
Both, nave of wheel, bottle, boss.
Brac, free, generous, lavish.
Brad, treachery; brad-gyfarfod, a quotidian fever; bradog, false, traitorous; bradwr, bradychwr, a traitor, a betrayer.
Bradw, worn thin and poor.
Bradwy, a fracture, a rupture, a breach; bradwyog, broken, rent, full of gaps.
Braen, braenllyd, rotten; braenu, to rot.
Braenar, branar, fallow ground.
Braf, fine, splendid.
Brag, malt; bragod, bragget.
Bragad, progeny, offspring.
Braich, an arm; braicheidio, to embrace; breichrwy, bracelet.
Braidd, near, almost, slight.
Braint, prerogative, dignity.
Braisg, gross, or thick.
Bram, a fart; bremain, to break wind.
Brân, a crow; branos, young crows; branes, brain, crows.
Branar, fallow ground.
Brann, bran.
Bras, big, fat, coarse; braster, fatness, coarseness.
Brat, a clout, or rag.
Brâth, a biting, a stinging, a stab; brathu, to stab, bite, sting.
Brau, rotten, brittle; breuolaeth, breuoledd, breuolder, breuder, breuawd, brittleness.
Braw, a terror, fright; brawychu, to terrify, vex, move.
Brawd, a brother; brawdoliaeth, brotherhood; brawdgar, a lover of his brother; brawdgarwch, brotherly love.