Terra vs Tellus

Terra and Tellus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Terra	Yes	No	No	No
Tellus	Yes	No	No	No

As nouns, Terra and Tellus are synonyms defined as:

Terra and Tellus: (Roman mythology) goddess of the earth; protector of marriage and fertility; identified with Greek Gaea

Terra (noun)	Tellus (noun)
(Roman mythology) goddess of the earth; protector of marriage and fertility; identified with Greek Gaea	(Roman mythology) goddess of the earth; protector of marriage and fertility; identified with Greek Gaea