| A | B |
| abnormal (adjective) | not normal |
| conventional (adjective) | customary; conforming to most standards |
| idiosyncrasy (noun) | an unusual habit or mannerism of one particular person |
| orthodox (adjective) | adhering to commonly accepted tradition; adhering to an established religious faith |
| precedent (noun) | an action that can be used as an example for subsequent similar cases |
| prevalent (adjective) | widespread; commonly occurring; genterally accepted or practiced |
| prosaic (adjective) | ordinary; lacking in imagination; commonplace |
| quaint (adjective) | charmingly old-fashioned |
| rarity (noun) | something special or uncommon, usually valued |
| singular (adjective) | out of the ordinary; particular; peculiar; eccentric |