| feather(noun, class, genre, breed, description) |
| flavor(noun, air, atmosphere, climate, ambience) |
| forehanded(adjective, sparing, thrifty, provident, economizing) |
| foresighted(adjective, sparing, thrifty, provident, economizing) |
| foresightful(adjective, sparing, thrifty, provident, economizing) |
| frontier(noun, nature, wilderness, outdoors, open air) |
| frugal(adjective, sparing, thrifty, provident, economizing) |
| genre(noun, class, breed, description, feather) |
| grade(noun, class, genre, breed, description) |
| group(noun, class, genre, breed, description) |
| grouping(noun, class, genre, breed, description) |
| halo(noun, air, atmosphere, climate, ambience) |
| hinterland(noun, nature, wilderness, outdoors, open air) |
| ilk(noun, class, genre, breed, description) |
| information(noun, science, knowledge, wisdom, lore) |
| intelligence(noun, science, knowledge, wisdom, lore) |
| karma(noun, air, atmosphere, climate, ambience) |
| kidney(noun, class, genre, breed, description) |
| know-how(noun, science, knowledge, wisdom, lore) |
| knowledge(noun, science, wisdom, lore) |