1) Communication 2) Vocalisation 3) Vocalization 4) Voice 1) Sprechgesang 2) Sprechstimme 3) Vocalisation 4) Vocalization 5) Vox 
The term phonation has slightly different meanings depending on the subfield of phonetics. Among some phoneticians, phonation is the process by which the vocal folds produce certain sounds through quasi-periodic vibration. This is the definition used among those who study laryngeal anatomy and physiology and speech production in general. Phonetici...
production of vocal sound
• (n.) The act or process by which articulate sounds are uttered; the utterance of articulate sounds; articulate speech.
The process of producing vocal sounds by means of vocal cords vibrating in an expiratory blast of air. ... (12 Dec 1998) ... 
(fo-na´shәn) the utterance of vocal sounds; see also speech.
Pho·na'tion noun [ Greek ... the voice.] The act or process by which articulate sounds are uttered; the utterance of articulate sounds; articulate speech. 
Type: Term Pronunciation: fō-nā′shŭn Definitions: 1. The production of sounds by vibration of the vocal folds.
phonation The act or process of uttering with a voice; the production of phones or speech (vocal) sounds.
Greek phone = sound or voice; hence, the production of either.