The difference between Innocent and Untainted

When used as adjectives, innocent means free from guilt, sin, or immorality, whereas untainted means not tainted.

Innocent is also noun with the meaning: one who is innocent, especially a young child.

check bellow for the other definitions of Innocent and Untainted

Innocent as an adjective:

Free from guilt, sin, or immorality.
Innocent as an adjective:

Bearing no legal responsibility for a wrongful act.
Innocent as an adjective:

Naive; artless.
Innocent as an adjective (obsolete):

Not harmful; innocuous; harmless.

Examples:

"an innocent medicine or remedy"
Innocent as an adjective (with ''of''):

Having no knowledge (of something).
Innocent as an adjective (with ''of''):

Lacking (something).
Innocent as an adjective:

Lawful; permitted.

Examples:

"an innocent trade"
Innocent as an adjective:

Not contraband; not subject to forfeiture.

Examples:

"innocent goods carried to a belligerent nation"

Innocent as a noun:

One who is innocent, especially a young child.

Examples:

"The slaughter of the innocents was a significant event in the New Testament."
Innocent as a noun (obsolete):

A harmless simple-minded person; an idiot.