| A | B |
| fertile | marked by great fruitfulness |
| fervent | exhibiting or marked by great intensity of feeling |
| cohesive | condition of sticking together |
| compelling | forceful; urgently demanding attention |
| convoluted | intricate; complex |
| didactic | intended to instruct |
| dogmatic | characterized by a stubborn adherence to |
| fickle | marked by erratic changes in affections or attachments |
| fortuitous | having no cause or apparent cause; |
| goad | to provoke; to stir to action or feeling |
| gourmand | a person who is devoted to eating and drinking to |
| imperceptible | extremely slight, gradual, or subtle |
| impersonal | having no personal reference or connection |
| imperturbable | not easily excited or upset; marked |
| impious | lacking piety or reverence for a god; lacking due |
| implement | to put into execution |
| implicit | implied though not directly expressed |
| incinerator | a furnace that burns waste |
| incisive | impressively direct and decisive |
| incite | to move to action |