Chingford I don’t know where the river Ching is.
Woodford it’s further East than Chingford they both of them are are near Epping Forest
Dartford. It seems unlikely that the ford was on the River Thames so I guess there is a River Dart.
Fords and bridges are very important in urban areas particularly
Wood Green it’s not what it sounds like unless you go to Alexander palace.
Southgate. Once there was a gates for Enfield Chace a wooded area where King Henry the 8th used to hunt. What were they really hunting for?
Oakwood. Well that is perfectly obvious.
Cockfosters. This is not very obvious. Were there foster homes for lonely cocks?
Potters Bar.. it might be a public house