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Physical Geography / Daearyddiaeth Ffisegol - Lexicon

continent
cyfandir
mountain
mynydd
river
afon
ocean
cefnfor
climate
hinsawdd
desert
anialwch
valley
dyffryn
plateau
llwyfandir
glacier
rhewlif
volcano
llosgfynydd
island
ynys
peninsula
penrhyn
delta
delta
bay
bae
plain
plaen
forest
coedwig
rainfall
glawiad
tundra
twndra
earthquake
daeargryn
tsunami
tswnami
erosion
erydiad
canyon
ceunant
fjord
ffiord
sandstorm
storm dywod
waterfall
rhaeadr
dune
twyn
lagoon
lagŵn
marsh
cors
swamp
cors
geyser
geyser
tectonics
tectoneg
earth
ddaear
latitude
lledred
longitude
hydred
weathering
tywyddio
ecosystem
ecosystem
biosphere
biosffer
mantle
mantell
core
craidd
atmosphere
awyrgylch
weather
tywydd
hail
cenllysg
cyclone
seiclon
altitude
uchder
sediment
gwaddod
fault
bai
summit
copa
archipelago
archipelago
watershed
dalgylch