international Morse code vs Morse code

international Morse code and Morse code both are nouns.

Word	Noun	Adjective	Verb	Adverb
international Morse code	Yes	No	No	No
Morse code	Yes	No	No	No

As nouns, international Morse code and Morse code are synonyms defined as:

international Morse code and Morse code: a telegraph code in which letters and numbers are represented by strings of dots and dashes (short and long signals)

Other synonyms of international Morse code include Morse.

international Morse code (noun)	Morse code (noun)
a telegraph code in which letters and numbers are represented by strings of dots and dashes (short and long signals)	a telegraph code in which letters and numbers are represented by strings of dots and dashes (short and long signals)