phonation vs voice

phonation and voice both are nouns.

Word	Noun	Adjective	Verb	Adverb
phonation	Yes	No	No	No
voice	Yes	No	Yes	No

As nouns, phonation and voice are synonyms defined as:

phonation and voice: the sound made by the vibration of vocal folds modified by the resonance of the vocal tract

Other synonyms of phonation include vocalisation, vocalism, vocalization, vox.

As nouns, voice is a hyponym of phonation; that is, voice is a word with a more specific, narrower meaning than phonation:

phonation: the sound made by the vibration of vocal folds modified by the resonance of the vocal tract
voice: A term used in phonetics and phonology to characterize speech sounds, with sounds described as either voiceless (unvoiced) or voiced.

Other hyponyms of phonation include singing voice, sprechgesang, sprechstimme, voice over.

phonation (noun)	voice (noun)
the sound made by the vibration of vocal folds modified by the resonance of the vocal tract	a means or agency by which something is expressed or communicated
	the distinctive quality or pitch or condition of a person's speech
	the ability to speak
	the sound made by the vibration of vocal folds modified by the resonance of the vocal tract
	expressing in coherent verbal form
	the melody carried by a particular voice or instrument in polyphonic music
	something suggestive of speech in being a medium of expression
	A term used in phonetics and phonology to characterize speech sounds, with sounds described as either voiceless (unvoiced) or voiced.
	a sound suggestive of a vocal utterance
	an advocate who represents someone else's policy or purpose
	(metonymy) a singer
	(linguistics) the grammatical relation (active or passive) of the grammatical subject of a verb to the action that the verb denotes

phonation (verb)	voice (verb)
	give voice to
	utter with vibrating vocal chords