| kind(noun, form, nature, place, set) |
| nature(noun, group, class, kind, sort) |
| sort(noun, form, nature, place, set) |
| type(noun, form, nature, place, kind) |
| plume(noun, ornament, crown, roughness, ridge) |
| description(noun, form, nature, place, set) |
| breed(noun, form, nature, place, set) |
| class(noun, form, nature, place, set) |
| species(noun, form, nature, place, set) |
| variety(noun, form, nature, set, type) |
| stripe(noun, place, set, type, kind) |
| kidney(noun, place, set, type, kind) |
| order(noun, form, nature, place, set) |
| plumage(noun, roughness) |
| stamp(noun, form, nature, type, kind) |
| genus(noun, place, set, type, kind) |
| quill(noun, tuft, plumage, writing instrument) |
| wing(noun, device, organ, tuft, plumage) |
| down(noun, quill, plume, tuft, plumage) |
| genre(noun, form, nature, place, set) |