knoll Synonyms

hillock hammock hummock mound ridge promontory prominence mount hill monticule monticle mont molehill rise slope summit re-echo high ground sand dune Downs oka koppie kopje anthill altocumulus upland tumulus tump tor mesa loma embankment elevation dune drumlin drift down cliff butte brae bluff barrow eminence esker fell knob incline hump hilltop hillside