WordNet: hard, surd, unvoiced, voiceless
produced without vibration of the vocal cords; "unvoiced consonants such as `p' and `k' and `s'"
- similar to whispered
hard
- (suomi) soinniton (synonyymi)
surd
- (suomi) soinniton (synonyymi)
unvoiced
voiceless
- (englanti) voicelessness (derivationally related)
- (suomi) soinniton (synonyymi)