13 letter words:
nonperforming21,
10 letter words:
performing18,
preforming18,
ironmonger13,
9 letter words:
germproof17,
preinform16,
reforming15,
reroofing13,
8 letter words:
proofing14,
fireroom13,
informer13,
promoing13,
reinform13,
reniform13,
mignonne11,
7 letter words:
perform14,
preform14,
forming13,
frogmen13,
pfennig13,
fermion12,
gripmen12,
impregn12,
perming12,
proofer12,
reproof12,
romping12,
foreign11,
forgoer11,
forgone11,
goofier11,
primero11,
promine11,
roofing11,
goopier10,
groomer10,
inferno10,
mooning10,
mooring10,
morning10,
omening10,
opening10,
penning10,
perigon10,
pirogen10,
regroom10,
rooming10,
ionomer9,
ironmen9,
moonier9,
moorier9,
morrion9,
pornier9,
prenoon9,
roomier9,
goonier8,
grinner8,
ignorer8,
ionogen8,
negroni8,
nooning8,
noniron7,
6 letter words:
firmer11,
former11,
inform11,
moping11,
pogrom11,
reform11,
finger10,
forego10,
forger10,
fringe10,
impone10,
mopier10,
primer10,
romper10,
epigon9,
gnomon9,
griper9,
groper9,
mignon9,
monger9,
mongoe9,
mooing9,
morgen9,
pigeon9,
pinger9,
pooing9,
poring9,
reroof9,
roofer9,
roofie9,
roping9,
merino8,
mooner8,
morion8,
nonmen8,
operon8,
orpine8,
pennon8,
pernio8,
perron8,
pinner8,
poorer8,
roomer8,
roomie8,
ropier8,
eringo7,
erring7,
ginner7,
gonion7,
gooier7,
goonie7,
gorier7,
ignore7,
nonego7,
noogie7,
orgone7,
region7,
ringer7,
ionone6,
ironer6,
rennin6,
ronion6,
5 letter words:
fermi10,
forme10,
proof10,
feign9,
fogie9,
forge9,
forgo9,
gofer9,
gonef9,
gonif9,
gonof9,
grief9,
moper9,
prime9,
primo9,
proem9,
promo9,
finer8,
firer8,
frier8,
frore8,
genip8,
genom8,
gipon8,
gnome8,
gomer8,
grime8,
gripe8,
groom8,
grope8,
infer8,
mongo8,
oping8,
pengo8,
pingo8,
pirog8,
prong8,
rifer8,
enorm7,
miner7,
minor7,
moire7,
monie7,
moron7,
morro7,
nomen7,
nomoi7,
opine7,
ormer7,
orpin7,
penni7,
pinon7,
poori7,
porno7,
prier7,
prion7,
prior7,
prone7,
repin7,
repro7,
rimer7,
ripen7,
riper7,
romeo7,
roper7,
genro6,
giron6,
goner6,
groin6,
reign6,
renig6,
rerig6,
rigor6,
roger6,
inner5,
irone5,
ninon5,
onion5,
oorie5,
renin5,
4 letter words:
firm9,
form9,
from9,
gimp9,
poof9,
prof9,
frig8,
frog8,
goof8,
mope8,
perm8,
poem8,
pome8,
pomo8,
prim8,
prom8,
romp8,
fern7,
fine7,
fino7,
fire7,
firn7,
foin7,
fore7,
froe7,
germ7,
goop7,
gorm7,
gorp7,
grim7,
grip7,
info7,
neif7,
ping7,
pong7,
prig7,
prog7,
reif7,
rife7,
roof7,
emir6,
meno6,
mien6,
mine6,
mire6,
mono6,
moon6,
moor6,
more6,
morn6,
nome6,
nope6,
norm6,
omen6,
omer6,
open6,
pein6,
peon6,
peri6,
pier6,
pine6,
pion6,
pirn6,
pone6,
poon6,
poor6,
pore6,
porn6,
repo6,
rime6,
ripe6,
room6,
rope6,
ergo5,
gien5,
girn5,
giro5,
goer5,
gone5,
goon5,
gore5,
grin5,
ogre5,
ring5,
inro4,
iron4,
neon4,
nine4,
noir4,
none4,
noon4,
nori4,
rein4,
3 letter words:
fem8,
fop8,
fig7,
fog7,
imp7,
mop7,
pom7,
fen6,
fer6,
fie6,
fin6,
fir6,
foe6,
fon6,
for6,
fro6,
gem6,
gip6,
meg6,
mig6,
mog6,
peg6,
pig6,
ref6,
rif6,
men5,
mir5,
mon5,
moo5,
mor5,
nim5,
nip5,
nom5,
ope5,
pen5,
per5,
pie5,
pin5,
poi5,
poo5,
pro5,
rem5,
rep5,
rim5,
rip5,
rom5,
ego4,
eng4,
erg4,
gen4,
gie4,
gin4,
goo4,
gor4,
neg4,
nog4,
reg4,
rig4,
eon3,
ern3,
err3,
inn3,
ion3,
ire3,
noo3,
nor3,
one3,
ono3,
ore3,
rei3,
rin3,
roe3,
2 letter words:
ef5,
fe5,
if5,
of5,
em4,
me4,
mi4,
mo4,
om4,
op4,
pe4,
pi4,
go3,
en2,
er2,
in2,
ne2,
no2,
oe2,
oi2,
on2,
or2,
re2,
