Deutschland vs FRG

Deutschland and FRG both are nouns.

Word	Noun	Adjective	Verb	Adverb
Deutschland	Yes	No	No	No
FRG	Yes	No	No	No

As nouns, Deutschland and FRG are synonyms defined as:

Deutschland and FRG: a republic in central Europe; split into East Germany and West Germany after World War II and reunited in 1990

Other synonyms of Deutschland include Federal Republic of Germany, Germany.

Deutschland (noun)	FRG (noun)
a republic in central Europe; split into East Germany and West Germany after World War II and reunited in 1990	a republic in central Europe; split into East Germany and West Germany after World War II and reunited in 1990