| A | B |
| abnormal | not normal |
| conventnional | customary; conforming to most standards |
| idiosyncrasy | an unusual habit or mannerism of a person |
| orthodox | adhering to commonly accepted tradition |
| precedent | an action that can be used as an example |
| prevalent | widespread; generally accepted |
| prosaic | ordinary; lacking in imagination |
| quaint | charmingly old-fashioned |
| rarity | something special or uncommon, usually valued |
| singular | out of the ordinary; particular |