transuranic element vs Fl

transuranic element and Fl both are nouns.

Word	Noun	Adjective	Verb	Adverb
transuranic element	Yes	No	No	No
Fl	Yes	No	No	No

As nouns, Fl is a hyponym of transuranic element; that is, Fl is a word with a more specific, narrower meaning than transuranic element:

transuranic element: any element having an atomic number greater than 92 (which is the atomic number of uranium); all are radioactive
Fl: a radioactive transuranic element

Other hyponyms of transuranic element include flerovium.

transuranic element (noun)	Fl (noun)
any element having an atomic number greater than 92 (which is the atomic number of uranium); all are radioactive	a radioactive transuranic element