harmless 0172 - akakos {ak'-ak-os}; from 0001 (as a negative particle) and 2556; not bad, i.e. (objectively) innocent or (subjectively) unsuspecting: -- {harmless}, simple.
harmless 0185 - akeraios {ak-er'-ah-yos}; from 0001 (as a negative particle) and a presumed derivative of 2767; unmixed, i.e. (figuratively) innocent: -- {harmless}, simple.