nickname

noun 0.658

epithet

noun 0.604

moniker

noun 0.602

nom de plume

noun 0.572

pseudonym

noun 0.557

cognomen

noun 0.551

pet name

noun 0.547

little name

noun 0.527

sob

noun 0.526

appellation

noun 0.524

hypocoristic

noun 0.515

nom de guerre

noun 0.506

name

noun 0.504