Plural of harkener; multiple people who listen or pay attention.
Simple plural formation of 'harkener' by adding '-s.' The word retains all etymological properties of its singular form.
The plural form exists technically, but you'd almost never use it because 'harkeners' sounds impossibly archaic—English plurals work better when the base word is already in common use.
Complete word intelligence in one call. Free tier — 50 lookups/day.