Mendel vs Johann Mendel

Mendel and Johann Mendel both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mendel	Yes	No	No	No
Johann Mendel	Yes	No	No	No

As nouns, Mendel and Johann Mendel are synonyms defined as:

Mendel and Johann Mendel: Augustinian monk and botanist whose experiments in breeding garden peas led to his eventual recognition as founder of the science of genetics (1822-1884)

Other synonyms of Mendel include Gregor Mendel.

Mendel (noun)	Johann Mendel (noun)
Augustinian monk and botanist whose experiments in breeding garden peas led to his eventual recognition as founder of the science of genetics (1822-1884)	Augustinian monk and botanist whose experiments in breeding garden peas led to his eventual recognition as founder of the science of genetics (1822-1884)