| attraction(noun, charm, magic, captivation) |
| attractor |
| authentication(noun, information, reason, picture, evidence) |
| averment(noun, information, mark, sign, reason) |
| ax to grind(noun, expression, idiom, love, passion) |
| bee(noun, love, passion, desire, thing) |
| bee in bonnet(noun, expression, idiom, love, passion) |
| beguiler |
| bewitcher |
| biter |
| black box(noun, expression, means, device, machine) |
| bothering(insult, stimulus, affront, incitement, goading) |
| brainteaser(noun, difficulty, challenge, question, secret) |
| braintwister(difficulty, question, secret, puzzle, perplexity) |
| brickbat(insult, stimulus, dare, incitement, goading) |
| bug(noun, love, passion, desire, thing) |
| bug in ear(noun, expression, idiom, love, passion) |
| case(noun, information, reason, picture, evidence) |
| casus belli(expression, insult, stimulus, affront, dare) |
| cause(insult, stimulus, affront, incitement, goading) |