Bern
Bern
Berne
Berner
Bernese
Bert
Bert
Berg
mountain
hill
heap
pile
Bernhard
Bernard
Fern
long haul
fern
far
Kern
nucleus
core
kernel
gern
gladly
willingly
frequently
Bergen
Bergen
bergen
salvage
save
recover
shelter
bear
Berle
water parsnip
Berta
bravo
Oberon
Oberon
ober
upper
above
Ober
waiter
queen
obere
upper
über-
hyper-
above
-berg
-barrow
-bergh
Aber
but
aber
again
but