FRG vs Deutschland

FRG and Deutschland both are nouns.

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

As nouns, FRG and Deutschland are synonyms defined as:

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

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

FRG (noun)	Deutschland (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