7 letter words:
adjourn15,
6 letter words:
judoka18,
jordan14,
koruna10,
around7,
5 letter words:
drank10,
drouk10,
drunk10,
knaur9,
korun9,
krona9,
adorn6,
andro6,
doura6,
radon6,
round6,
4 letter words:
jauk15,
jouk15,
junk15,
judo12,
jura11,
dank9,
dark9,
dork9,
dunk9,
kudo9,
kaon8,
karn8,
knar8,
knur8,
koan8,
kora8,
kuna8,
nark8,
okra8,
raku8,
rank8,
darn5,
dona5,
dour5,
dura5,
durn5,
duro5,
nard5,
nurd5,
orad5,
rand5,
road5,
udon5,
undo5,
roan4,
3 letter words:
jar10,
jun10,
raj10,
dak8,
ark7,
auk7,
koa7,
kor7,
oak7,
oka7,
ado4,
and4,
dan4,
don4,
dor4,
dun4,
duo4,
nod4,
oda4,
oud4,
rad4,
rod4,
udo4,
urd4,
nor3,
oar3,
ora3,
our3,
ran3,
run3,
urn3,
2 letter words:
jo9,
ka6,
ad3,
do3,
od3,
an2,
ar2,
na2,
no2,
nu2,
on2,
or2,
un2,