| grade(noun, classification, variety, category, grouping) |
| group(noun, classification, variety, category, grouping) |
| grouping(noun, classification, variety, category) |
| habitat(noun, territory, environment, condition) |
| plumate(adjective, feature, characteristic, detail, feather) |
| prompt(adjective, feature, characteristic, detail, feather) |
| setting(noun, territory, environment, condition, habitat) |
| species(noun, classification, variety, category, grouping) |
| aeriform(adjective, feature, characteristic, detail, feather) |
| alate(adjective, feature, characteristic, detail) |
| biological science(expression, biology, science, life) |
| crested(adjective, feature, characteristic, detail, feather) |
| division(noun, classification, variety, category, grouping) |
| expeditious(adjective, feature, characteristic, detail) |
| express(adjective, feature, characteristic, detail) |
| fledged(adjective, feature, characteristic, detail, feather) |
| flight(adjective, feature, characteristic, detail) |
| genus(noun, classification, variety, category, grouping) |
| mercurial(adjective, feature, characteristic, detail) |
| monk(noun, person, being, individual, man) |