mutism

noun 0.770

muteness

noun 0.611

silent treatment

noun 0.536

speechlessness

noun 0.534

specific phobia

noun 0.533

stuttering

noun 0.531

speech disorder

noun 0.529

shyness

noun 0.528

muting

noun 0.525

autism

noun 0.523

semilingualism

noun 0.514

selective school

noun 0.511

silencing

noun 0.510

autistic spectrum disorder

noun 0.505

dysphasia

noun 0.500