ARD

high place, or in the case of ard ri, high king

ATHA

ford

BALLA

wall

BALLE, BALLY

town

BEG

small

BEN

mountaintop

CATH

battle

CATHER

stone fort larger than a cashel

CARRICK, CARRIG

stone-walled enclosure

CASHEL

fort, usually with a stone wall

CLARE

bridge, usually level

CLON

meadow

CRANNOG

landfill, an artificial island often used for defensive purposes in battle

DERG, DEARG    

red

DERRY

grove of trees

DOE

ax

DRUM

ridge

DUB

black

DUN

fort

ENNIS, INNIS

island

GLAN

valley, glen

GORT

field

INCH

island

KIL, KILL, CILL

originally a monastic place, later a holy play, still later simply a place

KNOCK

hill

LIN

a pool, a deep place in a stream

LIS

earthen fort or cattle pen

LOUGH

lake

MAG, MAIG, MOY

a plain

MOR, MORE

great, big

MUCK

pig

NOAMH

saint, also holy

OUGHTER

upper

OWEN

river

RATH

circular rampart, usually earthen

ROS, ROSS

promontory

SKELLIG

rocky pinnacle

SLIEVE

steep mountain or pass

TERMON

boundary cross

TOBAR, TOBER

well, originally a holy well

TULL, TULLY

small hill

TURLOUGH

vernal pond

TYR, TER

territory of (a prefix)