vocalization

noun 0.657

vocalizing

noun 0.642

sotto voce

noun 0.594

verbalization

noun 0.587

voicing

noun 0.561

vocal

noun 0.559

whispering

noun 0.541

self-talk

noun 0.537

mumbling

noun 0.529

vocalise

noun 0.528

intraverbal

noun 0.526

voicelessness

noun 0.518

semivowel

noun 0.516

vocable

noun 0.512

susurration

noun 0.511

voice-over

noun 0.511

ventriloquy

noun 0.508

muttering

noun 0.501