one of a kind

noun 0.698

unicum

noun 0.616

unique

noun 0.615

uniqueness

noun 0.582

unicity

noun 0.566

singular

noun 0.559

nonfungible

noun 0.555

special

noun 0.548

singularity

noun 0.547

incomparable

noun 0.544

sine qua non

noun 0.542

peculiar

noun 0.536

rara avis

noun 0.534

genus

noun 0.527

originality

noun 0.526

individuality

noun 0.524

singulative

noun 0.524

special case

noun 0.520

specie

noun 0.519

distinctive

noun 0.515

exceptional

noun 0.515

unusual

noun 0.514

inedita

noun 0.509

peculiarity

noun 0.507

individual

noun 0.505

incomparability

noun 0.502

genus name

noun 0.501