Morse code vs international Morse code

Morse code and international Morse code both are nouns.

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

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

Morse code and international 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 Morse code include Morse.

Morse code (noun)	international 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)