The word "sonants" refers to speech sounds that are made by the vibration of the vocal cords. There are various synonyms for this word, including "voiced sounds", "voiced phonemes", "resonant consonants", and "tonal sounds". Voiced sounds refer to speech sounds that involve vibration of the vocal cords, while resonant consonants are those that produce a buzz-like sound due to the vibration of air within the oral cavity. Tonal sounds, on the other hand, refer to speech sounds that involve changes in pitch or tone. These synonyms are useful for describing the different characteristics of sonants and can help to improve communication within the field of linguistics.