As nouns the difference between terrar and terra
is that terrar is alternative form of terrier while terra is a rough upland or mountainous region of the moon with a relatively high albedo.
As a proper noun Terra is
the Roman earth goddess, equivalent in the interpretatio graeca to Gaea.
terra
English
Noun
(terrae)
A rough upland or mountainous region of the moon with a relatively high albedo.
Related terms
* terrace
* terracotta
* terrain
* terrene
* terrier
* territorial
* territory
* terrestrial
* Terra
* Terran
* terra firma