| nonesuch(noun, charm, treasure, ring, ornament) |
| oddness(noun, characteristic, quirk, peculiarity, incongruity) |
| one-off(noun, find, curiosity, oddity) |
| seldomness(noun, infrequency) |
| slenderness(noun, lack, delicacy, smallness, scarcity) |
| sparseness(lack, delicacy, smallness, inadequacy, scarcity) |
| subtlety(noun, wispiness) |
| eccentricity(noun, characteristic, trait, humor, usual) |
| find(noun, charm, treasure, ring, ornament) |
| gem(noun, charm, find, treasure, ring) |
| low density(noun, expression, idiom) |
| monster(noun, wonder, genius, whiz, unconformity) |
| monstrosity(noun, something, unconformity, monster, curiosity) |
| queerness(noun, characteristic, quirk, peculiarity, incongruity) |
| quirk(noun, characteristic, trait, indiscretion, originality) |
| rare |
| singularity(noun, characteristic, trait, find, humor) |
| thinness |
| uniqueness(noun, characteristic, event, experience, trait) |
| wispiness(noun, wispiness) |