element 113 vs ununtrium

element 113 and ununtrium both are nouns.

Word	Noun	Adjective	Verb	Adverb
element 113	Yes	No	No	No
ununtrium	Yes	No	No	No

As nouns, element 113 and ununtrium are synonyms defined as:

element 113 and ununtrium: a radioactive transuranic element, with atomic number 113

Other synonyms of element 113 include atomic number 113, Uut.

element 113 (noun)	ununtrium (noun)
a radioactive transuranic element, with atomic number 113	a radioactive transuranic element, with atomic number 113