If the two words of a scientific name are similar, the name is said to be-

Correct option is A

The correct answer is (a) Tautonym.
· In biological nomenclature, a tautonym is a scientific name of a species in which both the genus and species names are identical.
· Tautonyms are used particularly in zoological naming and indicate a species that is the type species of its genus.
· For example, in the scientific name Gorilla gorilla, the genus and species names are the same, making it a tautonym. However, it's important to note that tautonyms are not permitted in botanical nomenclature.
Details on other details:
· Antonym: Words that have opposite meanings, such as "hot" and "cold."
· Synonym: Words that have similar meanings, such as "big" and "large."
· Homonym: Words that sound alike or are spelled alike but have different meanings, such as "bat" (the animal) and "bat" (used in sports).