Toponyms can be divided in two principal groups: •
geonyms: names of all
geographical features on
Earth •
cosmonyms: names of
cosmographical features outside Earth Various types of geographical toponyms (geonyms) include, in alphabetical order: •
agronyms: names of fields and plains •
choronyms: names of regions or countries •
dromonyms: names of roads or any other transport routes by land, water, or air •
drymonyms: names of woods and forests •
econyms: names of inhabited locations, such as houses, villages, towns, or cities, including: •
astionyms: names of towns and cities •
comonyms: names of villages •
hydronyms: names of various bodies of water, including: •
helonyms: names of swamps, marshes, and bogs •
limnonyms: names of lakes and ponds •
oceanonyms: names of oceans •
pelagonyms: names of seas •
potamonyms: names of rivers and streams •
insulonyms: names of islands •
metatoponyms: names of places containing recursive elements (e.g., Red River Valley Road) •
oronyms: names of
relief features, such as mountains, hills, and valleys, including: •
speleonyms: names of caves or some other subterranean features •
petronyms: names of rock formations; also of climbing routes •
urbanonyms: names of urban elements (streets, squares, etc.) in settlements, including: •
agoronyms: names of squares and marketplaces •
hodonyms: names of streets and roads Various types of cosmographical toponyms (cosmonyms) include: •
asteroidonyms: names of asteroids •
astronyms: names of stars and constellations •
cometonyms: names of comets •
meteoronyms: names of meteors •
planetonyms: names of planets and planetary systems ==Toponymic structure==