Welsh – English

aber – estuary, river mouth afon – river bach – small, little ban – peak, crest blaen – head, end, source bont – bridge bryn – hill bwlch – pass caer – fort, stronghold carreg – stone, rock cartref – home castell – castle cefn – ridge clawdd – hedge, ditch, dyke coch – red coed – wood cors – bog craig – rock crib – crest, summit, ridge cwm – valley cymer – meeting of rivers dinas – fort, city du, ddu – black, dirty dyffryn – valley eglwys – church fach – small, little fan – peak, crest fawr – great, big fferm – farm ffin – boundary foel – bare hill fynydd – mountain gaer – fort, stronghold glyn – glen goch – red graig – rock gwaun – moor, mountain pasture gwlad – country gwyn – white hafod – summer dwelling hendre – winter dwelling, home heol – road llan – church, enclosure, holy place of llwyn – grove, bush llyn – lake llys – hall, court maen – stone mawr – fawr great, big merthyr – marty moel – foel bare hill mynydd – mountain nant – brook pant – hollow, valley pen – head, top, end pentre – village, homestead plas – hall, mansion pont – bridge rheilffordd – railway sarn – causeway, old road sir – county or shire tre, tref – hamlet, home, town ty – house uchaf – upper, higher, highest waen – moor, mountain pasture ynys – island ystrad – valley floor ystryd – street

English – Welsh

bare hill – moel, foel black, dirty – du, ddu bog – cors boundary – ffin bridge – bont brook – nant castle – castell causeway, old road – sarn church – eglwys church, holy place – llan country – gwlad county or shire – sir crest, summit, ridge – crib farm – fferm fort, city – dinas fort, stronghold – caer, gaer glen – glyn great, big – fawr, mawr grove, bush – llwyn hall, court – llys hall, mansion – plas hamlet, town – tre, tref head, end, source – blaen head, top, end – pen hedge, ditch, dyke – clawdd hill – bryn hollow, valley – pant home – cartref house – ty island – ynys lake – llyn martyr – merthyr meeting of rivers – cymer moor, high pasture – gwaun, waen mountain – fynydd, mynydd pass – bwlch peak, crest – ban, fan railway – rheilffordd red – coch, goch ridge – cefn river – afon river mouth – aber road – heol rock – craig, graig small, little – bach, fach stone, rock – carreg, maen street – ystryd summer dwelling – hafod upper, higher, highest – uchaf valley – cwm, dyffryn valley floor – ystrad village, homestead – pentre white – gwyn winter dwelling, home – hendre wood – coed