dodder: any of a genus of leafless elongated wiry parasitic herbs deficient in chlorophyll
dodger: one who dodges
Lodger: One who lodges. 
ledger
A book in which sums of money received and paid out, as by a business, are recorded.
pledger: one who pledges
pledges
more than one pledge
ledges: plural of ledge
sledges: to convey or travel on a sledge.
sludges: MUD, MIRE; especially : a muddy deposit (as on a riverbed) : OOZE
This one is gonna dead end soon. Ie, Sludge (singular of above).
So from there I will put in Judge, an arbitor.
fudge:
a chocolately goodness
fadge: to fit together, to agree.
badge
A device or emblem worn as an insignia of rank, office, or membership in an organization.
badger
- To tease or annoy, as a badger when baited; to worry or irritate persistently.
badder
worse than just plain bad
Balder: to have less hair than another.
bolder
More fearless and daring than the other guy
boulder
big honkin’ rock
Boulders: many big honkin’ rocks.
I think this hit another dead end.
Not quite!
Moulders:
Chiefly British. Variant of molder.
To crumble to dust; disintegrate