E vs einsteinium

E and einsteinium both are nouns.

Word	Noun	Adjective	Verb	Adverb
E	Yes	No	No	No
einsteinium	Yes	No	No	No

As nouns, E and einsteinium are synonyms defined as:

E and einsteinium: a radioactive transuranic element produced by bombarding plutonium with neutrons

Other synonyms of E include atomic number 99, Es.

E (noun)	einsteinium (noun)
the 5th letter of the Roman alphabet	a radioactive transuranic element produced by bombarding plutonium with neutrons
the cardinal compass point that is at 90 degrees
a radioactive transuranic element produced by bombarding plutonium with neutrons
a fat-soluble vitamin that is essential for normal reproduction; an important antioxidant that neutralizes free radicals in the body