sweet lime vs Citrus limetta

sweet lime and Citrus limetta both are nouns.

Word	Noun	Adjective	Verb	Adverb
sweet lime	Yes	No	No	No
Citrus limetta	Yes	No	No	No

As nouns, sweet lime and Citrus limetta are synonyms defined as:

sweet lime and Citrus limetta: lemon tree having fruit with a somewhat insipid sweetish pulp

Other synonyms of sweet lime include sweet lemon.

sweet lime (noun)	Citrus limetta (noun)
lemon tree having fruit with a somewhat insipid sweetish pulp	lemon tree having fruit with a somewhat insipid sweetish pulp