“In an attempt to gain acceptance for the use of duplicate binomials, MacMillan proposed the tautonym A. apios.”
“This would have had the effect of making the name Z. zizyphus a tautonym.”
“If you will allow any of my spellings, all three pairs, un-hunh unh-unh, un-hun unh-un, and u-huh uh-uh, constitute neat charadeantigrams and two are also tautonym pairs.”
tautonymy
The use of a binomial name consisting of the same word twice, such as Bison bison.