Why Oaken Flaxen Olden but not Elmen Wheaten Newen ?

boxen = square, cubed
ringen = round, circular
wateren, watren = aquatic
lyften, loften = atmospheric
weatheren, weathren = meteorological

and on and on we go

sloth - slothen = sluggish, (a beck of slothen water)

torpenhowen = a chain of hills or range. (over on the left just above the torpenhowen)

manifold, mani - (multi) = manten/manen/manien Fowmanten/mantenfow/manifow (four sided)

Unshanken = legless