9 letter words:
foreknown19,
8 letter words:
foreknow18,
7 letter words:
nonwork14,
6 letter words:
knower13,
woofer12,
kronen10,
renown9,
wonner9,
5 letter words:
known12,
woken12,
frown11,
krone9,
kroon9,
owner8,
rewon8,
rowen8,
wooer8,
4 letter words:
fork11,
kerf11,
knew11,
know11,
woke11,
wonk11,
work11,
frow10,
woof10,
keno8,
kern8,
kore8,
nook8,
rook8,
enow7,
fern7,
fore7,
froe7,
roof7,
wore7,
worn7,
wren7,
neon4,
none4,
noon4,
3 letter words:
kef10,
wok10,
few9,
ken7,
kor7,
oke7,
fen6,
fer6,
foe6,
fon6,
for6,
fro6,
new6,
now6,
owe6,
own6,
ref6,
row6,
wen6,
woe6,
won6,
woo6,
eon3,
ern3,
noo3,
nor3,
one3,
ono3,
ore3,
roe3,
2 letter words:
ef5,
fe5,
of5,
ow5,
we5,
wo5,
en2,
er2,
ne2,
no2,
oe2,
on2,
or2,
re2,