susurration

noun 0.623

susurrus

noun 0.623

hissing

noun 0.602

hiss

noun 0.575

sizzle

noun 0.573

fricative

noun 0.565

syllabicity

noun 0.560

wheezing

noun 0.557

spirant

noun 0.555

sile

noun 0.547

syllabification

noun 0.546

lisping

noun 0.546

whistling

noun 0.543

syllable

noun 0.539

sonority

noun 0.537

shrillness

noun 0.537

wheeze

noun 0.533

stridor

noun 0.532

sonant

noun 0.529

stridulation

noun 0.528

consonance

noun 0.527

whiffling

noun 0.525

squealing

noun 0.525

burbling

noun 0.520

nasality

noun 0.519

squeaking

noun 0.517

rustling

noun 0.516

sizzling

noun 0.511

whispering

noun 0.511

rustle

noun 0.510

sib

noun 0.510

serration

noun 0.507

sibyl

noun 0.507

souffle

noun 0.504

burble

noun 0.504

squeal

noun 0.504

silkiness

noun 0.503

soughing

noun 0.502

stridency

noun 0.501