Here are some
Trainer
Silicon
Monitor
Solicit
Genital
Stained
Grained
Denizen
Decimal
Sprites
Prairie
Conical
7 letter word has 4 n's
nanning
cunnilings
signals
analyzeantiqueanymoreanytimeencloseendorseenforceenhanceenquireincenseinclineincludeinflateinquireinspireintenseintrudeinvoiceinvolveinverseknucklesnuggleunawareunhinge
Some seven letter words with N as the fifth letter areagainstbalancefriendspartnerqueenlyscienceseventy
sOuNd
Doona
fern
Kanya
Toucan is the word.
connection
Deline
neutron
Nations