Johann Mendel vs Mendel

Johann Mendel and Mendel both are nouns.

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

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

Johann Mendel and 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 Johann Mendel include Gregor Mendel.

Johann Mendel (noun)	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)