silent vs tacit

silent and tacit both are adjectives.

Word	Noun	Adjective	Verb	Adverb
silent	No	Yes	No	No
tacit	No	Yes	No	No

As adjectives, silent and tacit are synonyms defined as:

Other synonyms of silent include understood.

silent (adjective)	tacit (adjective)
implied by or inferred from actions or statements	implied by or inferred from actions or statements
unable to speak because of hereditary deafness
having a frequency below or above the range of human audibility
marked by absence of sound
failing to speak or communicate etc when expected to
not made to sound
expressed without speech