I suppose it will always be unknown.
unnethe (Chaucer)
canula
nepenthe
Pavane ( if you want 6 letters ) or gavotte ( for 7 letters )
_en_ _ _ _? There are a lot of words...: lenders benders sending pending lending bending mending tenfold, menfolk, central
Atlanta
There is no such word.
benevolence (kindness) and beneficence(generosity) , are the two main words I can find that would fit this description
polenta
Atlanta
unnethe (Chaucer)
Naughty, or nylghau, a kind of antelope.