| constitution(noun, nature, characteristic, style, thing) |
| differentia(noun, nature, feature, quality, style) |
| distinctive feature(noun, expression, idiom, peculiarity, speciality) |
| facade(noun, show, fake, sham, air) |
| figure(noun, form, look, exterior, specialty) |
| flavor(noun, nature, feature, quality, style) |
| front(noun, form, appearance, show, fake) |
| show(noun, sham, exaggeration, front, pretension) |
| stamp(noun, form, look, exterior, specialty) |
| crotchet(chance, coincidence, fluke) |
| custom(noun, nature, characteristic, quality, style) |
| euphemism(noun, expression) |
| euphuism |
| hallmark(noun, specialty) |
| irregularity(chance, coincidence, fluke) |
| keynote(noun, specialty) |
| oddness(noun, trait, peculiarity, gesture, acts) |
| ostentation(noun, show, front, vanity, pretension) |
| queerness(noun, trait, individuality, quirk, eccentricity) |
| tendency(noun, nature, feature, quality, style) |