B - (also a mutation of P; e.g. "Padarn" becomes "badarn" in "Llanbadarn")
Word element
| Meaning | Example of use
(sound file links underlined) |
|---|
| bach | (adjective) small, little, lesser | |
| bach, (plural bachau) | (noun), nook, corner, bend | |
| Badarn | see Padarn | Llanbadarn |
| Bae | bay | |
| ban, (plural bannau) | peak,crest, bare hill, beacon | |
| banc | bank, hill, slope | Bancyfelin |
| bangor | consecrated land or monastery within a wattle fence | Bangor |
| bant | valley | |
| barc | field | |
| Bedr | Peter (saint) | |
| bedwen, (plural bedw) | birch | |
| bedd, (plural beddau) | grave | |
| beili | yard | |
| ben | end, top | |
| bendigaid | blessed | |
| Beris | see Peris | Llanberis |
| berllan | orchard | |
| berth | hedge, bush | |
| betws | chapel of ease, oratory | Betws-y-coed |
| beudy | cowshed | |
| blaen, (plural blaenau) | head, summit, end, headwater, upland | Blaenau Ffestiniog |
| blaidd | wolf | |
| blas | mansion | |
| bod | abode, dwelling | Bodelwyddan |
| boeth | hot | |
| boncyn | hillock | |
| bont | see pont | Tal-y-bont |
| borfa | pasture | |
| braich | ridge, spur, arm | |
| bran, (plural brain) | crow | Cwmbran |
| bre | hill | |
| bren | timber | |
| brenin | king | |
| brith | mottled | |
| bro | region, vale, lowland | |
| bron | hill-breast, hill-side | Bronllys |
| brwyn | rushes | |
| bryn, (plural bryniau) | hill | Bryngwyn |
| buarth | yard | |
| budr | foul | |
| bugail | shepherd | |
| bwlch, (plural bylchau) | pass, gap | Bwlch-y-sarnau |
| bwll | pit, pool | |
| bwthyn | cottage | |
| bychan | little, small, lesser | Morfa Bychan |
| byr | short | |
P - (often mutates to B; e.g. "pont" becomes "bont" in "Tal-y-bont")
Word element
| Meaning | Example of use
(sound file links underlined) |
|---|
| Padarn | saint's name | |
| pandy | fulling mill | Tonypandy |
| pant | hollow, valley | Pant-teg |
| parc | park, field | |
| pen | head, top, end | |
| penrhyn | promontory | Penrhyndeudreath |
| pentre(f) | village, homestead | Tonpentre |
| Peris | saint's name | Llanberis |
| pistyll | spout, waterfall | Pistyll Rhaeadr |
| plas | hall, mansion | Plas Newydd |
| pont | bridge | Pontrhydyfen |
| porth | gateway, harbour | Porthyrhyd |
| pwll | pit, pool | Pwllheli |
|