hahnium vs dubnium

hahnium and dubnium both are nouns.

Word	Noun	Adjective	Verb	Adverb
hahnium	Yes	No	No	No
dubnium	Yes	No	No	No

As nouns, hahnium and dubnium are synonyms defined as:

Other synonyms of hahnium include atomic number 105, Db, element 105.

hahnium (noun)	dubnium (noun)
a transuranic element with atomic number 105	a transuranic element with atomic number 105