tench vs Tinca tinca

tench and Tinca tinca both are nouns.

Word	Noun	Adjective	Verb	Adverb
tench	Yes	No	No	No
Tinca tinca	Yes	No	No	No

As nouns, tench and Tinca tinca are synonyms defined as:

tench and Tinca tinca: freshwater dace-like game fish of Europe and western Asia noted for ability to survive outside water

tench (noun)	Tinca tinca (noun)
freshwater dace-like game fish of Europe and western Asia noted for ability to survive outside water	freshwater dace-like game fish of Europe and western Asia noted for ability to survive outside water