roddon
... that Benwick's High Street in Cambridgeshire is built on a rodham—another way of spelling roddon, an East Anglia term for an old watercourse?
... that <a href="./Benwick" id="mwHOs" rel="mw:WikiLink" title="Benwick">Benwick's</a> High Street in <a href="./Cambridgeshire" id="mwHOw" rel="mw:WikiLink" title="Cambridgeshire">Cambridgeshire</a> is built on a rodham<span id="mwHO0" typeof="mw:Entity">—</span>another way of spelling <b id="mwHO4"><a href="./Roddon" id="mwHO8" rel="mw:WikiLink" title="Roddon">roddon</a></b>, an <a href="./East_Anglia" id="mwHPA" rel="mw:WikiLink" title="East Anglia">East Anglia</a> term for an old <a class="mw-redirect" href="./Watercourse" id="mwHPE" rel="mw:WikiLink" title="Watercourse">watercourse</a>?