B vs Bel

B and Bel both are nouns.

Word	Noun	Adjective	Verb	Adverb
B	Yes	No	No	No
Bel	Yes	No	No	No

As nouns, B and Bel are synonyms defined as:

B (noun)	Bel (noun)
aerobic rod-shaped spore-producing bacterium; often occurring in chainlike formations; found primarily in soil	Babylonian god of the earth; one of the supreme triad including Anu and Ea; earlier identified with En-lil
the blood group whose red cells carry the B antigen	a logarithmic unit of sound intensity equal to 10 decibels
the 2nd letter of the Roman alphabet
a logarithmic unit of sound intensity equal to 10 decibels
a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder
originally thought to be a single vitamin but now separated into several B vitamins