Voiceless

безгла́сный

bezglásnyj

(lacking a voice, without vocal sound)

безголо́сый

bezgolósyj

(lacking a voice, without vocal sound)

беззву́чный

bezzvúčnyj

(lacking a voice, without vocal sound)

глухо́й

gluxój

(phonetics, of a consonant: spoken without vibration of the vocal cords)

немо́й

nemój

(lacking a voice, without vocal sound)