idempotence

noun 0.891

idempotency

noun 0.858

nilpotent

noun 0.566

identity element

noun 0.564

equipollent

noun 0.561

multiplicative identity

noun 0.532

immutable

noun 0.530

impotent

noun 0.516

ident

noun 0.515

equipollence

noun 0.510

impenitent

noun 0.506

identity function

noun 0.501

equivalent

noun 0.501