According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 198 words with the pattern ---N-ER. That is, seven letter words with 4th letter N and 6th letter E and 7th letter R. In alphabetical order, they are:
aginner
amender
asunder
avenger
barnier
blander
blanker
blender
blinder
blinger
blinker
blonder
blunder
blunger
blunker
blunter
bonnier
bouncer
bounder
brander
branner
brenter
bringer
brinier
bronzer
cannier
carnier
chancer
changer
channer
chanter
chunder
chunner
chunter
clanger
clinger
clinker
clunker
coinfer
cointer
cornier
counter
cranker
cringer
cronker
curnier
daunder
daunter
dernier
downier
drinker
dronier
drunker
dunnier
emender
eventer
fainter
fawnier
feinter
fennier
fernier
finnier
flanger
flanker
flenser
flinder
flinger
flunker
founder
franger
franker
fronter
funnier
gaunter
ginnier
girnier
glancer
goonier
grander
granfer
granger
granter
grinder
grinner
grunger
grunter
haunter
hennier
hornier
hounder
ironier
joinder
jointer
klinker
larnier
launder
lawnier
loonier
lounder
lounger
maunder
meander
moonier
mounter
nointer
nounier
oranger
painter
pannier
phonier
pioneer
planner
planter
plinker
plonker
plunder
plunger
plunker
poinder
pointer
pornier
pouncer
pounder
prancer
prinker
printer
punnier
rainier
reenter
reinter
rounder
runnier
saunter
scanner
scanter
scunner
shinier
shunner
shunter
skanger
skanker
skinker
skinner
skinter
slander
slanger
slanter
slender
slenter
slinger
slinker
slinter
sounder
spanker
spanner
spencer
spender
spinier
spinner
sponger
stander
stinger
stinker
stinter
stonier
stonker
stunner
sunnier
swanker
swinger
swinker
taunter
tawnier
teenier
thanker
thinker
thinner
thonder
thunder
tinnier
townier
tranter
twanger
twinier
twinter
vaunter
veinier
vernier
weenier
wennier
whinger
whinier
wounder
wringer
wronger
yawnier
younger
younker
Some seven letter words with the configuration "PR-N--N" are:prenoonpronoun
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern A--I--I. That is, seven letter words with 1st letter A and 4th letter I and 7th letter I. In alphabetical order, they are: anziani
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern ---J--I. That is, seven letter words with 4th letter J and 7th letter I. In alphabetical order, they are: jinjili
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern ---A-J-. That is, seven letter words with 4th letter A and 6th letter J. In alphabetical order, they are: tolarji
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern ---I--F. That is, seven letter words with 4th letter I and 7th letter F. In alphabetical order, they are: positif
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern -AAI---. That is, seven letter words with 2nd letter A and 3rd letter A and 4th letter I. In alphabetical order, they are: baaings
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern --IA--A. That is, seven letter words with 3rd letter I and 4th letter A and 7th letter A. In alphabetical order, they are: chiasma
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern ---IAI-. That is, seven letter words with 4th letter I and 5th letter A and 6th letter I. In alphabetical order, they are: antiair
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern I-IA---. That is, seven letter words with 1st letter I and 3rd letter I and 4th letter A. In alphabetical order, they are: iliacus
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 2 words with the pattern ---J-A-. That is, seven letter words with 4th letter J and 6th letter A. In alphabetical order, they are: feijoas prajnas
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 2 words with the pattern ---I-Z-. That is, seven letter words with 4th letter I and 6th letter Z. In alphabetical order, they are: dopiaza schizzy
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 2 words with the pattern ---IJ--. That is, seven letter words with 4th letter I and 5th letter J. In alphabetical order, they are: antijam harijan