Pr vs praseodymium

Pr and praseodymium both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pr	Yes	No	No	No
praseodymium	Yes	No	No	No

As nouns, Pr and praseodymium are synonyms defined as:

Pr and praseodymium: a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process

Other synonyms of Pr include atomic number 59.

Pr (noun)	praseodymium (noun)
a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process	a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process