9 letter words:
adjacence21,
7 letter words:
cadence12,
6 letter words:
jacked20,
jeaned14,
necked13,
accede11,
decane9,
5 letter words:
caked12,
ackee11,
knead10,
kneed10,
naked10,
akene9,
caeca9,
acned8,
caned8,
dance8,
4 letter words:
jack17,
jake15,
jade12,
jeed12,
ajee11,
deck11,
jane11,
jean11,
cake10,
neck10,
dank9,
deke9,
eked9,
akee8,
caca8,
ceca8,
kana8,
kane8,
keen8,
knee8,
aced7,
cade7,
cede7,
dace7,
acne6,
cane6,
dean5,
dene5,
nada5,
need5,
3 letter words:
jee10,
dak8,
eek7,
eke7,
kae7,
kea7,
ken7,
cad6,
ace5,
can5,
cee5,
and4,
dan4,
dee4,
den4,
end4,
ana3,
ane3,
nae3,
nee3,
2 letter words:
ka6,
ad3,
de3,
ed3,
aa2,
ae2,
an2,
en2,
na2,
ne2,