Unspoken and Unvocal

Unspoken adjective - Understood although not put into words.

Unvocal and unspoken are semantically related In some cases you can use "Unvocal" instead an adjective "Unspoken".

Unvocal adjective - Marked by or producing a harsh combination of sounds.

Unspoken and unvocal are semantically related in unable to speak well topic. Sometimes you can use "Unspoken" instead an adjective "Unvocal".