I suppose it will always be unknown.
unnethe (Chaucer)
canula
nepenthe
The 7-letter word you can create using the letters a, e, i, o, v, n, and a blank tile is "innovation." The blank tile can represent an additional "n" to complete the word.
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
The 8-letter word that fits the pattern "blank e blank e blank you blank blank" is "schedule."
Atlanta
polenta