Bessel vs Friedrich Bessel

Bessel and Friedrich Bessel both are nouns.

Word	Noun	Adjective	Verb	Adverb
Bessel	Yes	No	No	No
Friedrich Bessel	Yes	No	No	No

As nouns, Bessel and Friedrich Bessel are synonyms defined as:

Bessel and Friedrich Bessel: German mathematician and astronomer who made accurate measurements of stellar distances and who predicted the existence on an 8th planet (1784-1846)

Other synonyms of Bessel include Friedrich Wilhelm Bessel.

Bessel (noun)	Friedrich Bessel (noun)
German mathematician and astronomer who made accurate measurements of stellar distances and who predicted the existence on an 8th planet (1784-1846)	German mathematician and astronomer who made accurate measurements of stellar distances and who predicted the existence on an 8th planet (1784-1846)