unvoiced vs implicit

unvoiced and implicit both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unvoiced	No	Yes	No	No
implicit	No	Yes	No	No

unvoiced (adjective)	implicit (adjective)
produced without vibration of the vocal cords	implied though not directly expressed; inherent in the nature of something
not made explicit	being without doubt or reserve