Tc vs technetium

Tc and technetium both are nouns.

Word	Noun	Adjective	Verb	Adverb
Tc	Yes	No	No	No
technetium	Yes	No	No	No

As nouns, Tc and technetium are synonyms defined as:

Tc and technetium: a crystalline metallic element not found in nature; occurs as one of the fission products of uranium

Other synonyms of Tc include atomic number 43.

Tc (noun)	technetium (noun)
a crystalline metallic element not found in nature; occurs as one of the fission products of uranium	a crystalline metallic element not found in nature; occurs as one of the fission products of uranium