| A | B |
| comprehensive | adj. Covering completely or broadly |
| dearth | n. A scarcity or lack |
| deficient | n. Lacking an essential quality |
| deficit | n. An amount by which something falls short |
| exhaustive | adj. Testing all possibilities |
| integral | adj. Essential for completeness; not fractional |
| paltry | adj. Meager; insignificant; worthless |
| plethora | n. Superabundance; excess |
| replenish | tr. v. To fill or make complete again |
| scant | adj. Being just short of full measure; inadequate |
| abnormal | adj. Not normal |
| conventional | adj. Customary; conforming to standards |
| idiosyncracy | n. An unusual habit or mannerism |
| orthodox | adj. Adhering to commonly accepted tradition |
| precedent | n. An action that serves as an example |
| prevalent | adj. Widespread; commonly occurring |
| prosaic | adj. Ordinary; lacking in imagination |
| quaint | adj. Charmingly old-fashioned |
| rarity | n. Something special or uncommon, usually valued |
| singular | adj. Out of the ordinary; peculiar |
| ambiguous | adj. Having two or more meanings; unclear |
| baffle | tr. v. To cause uncertainty in; puzzle |
| convoluted | adj. Coiled or twisted; complicated |
| dilemma | n. Situation forcing a choice between alternatives |
| enigma | n. Something that is hard to figure out |
| intricate | adj. Having a complicated structure; complex |
| labyrinth | n. A confusing network of passages; a maze |
| quandary | n. A state of uncertainty or doubt |
| soluble | adj. Capable of being solved; dissolvable |
| tactic | n. A method of achieving a goal; a strategy |