coding vs steganography

coding and steganography both are nouns.

Word	Noun	Adjective	Verb	Adverb
coding	Yes	No	No	No
steganography	Yes	No	No	No

As nouns, coding and steganography are synonyms defined as:

Other synonyms of coding include cryptography, secret writing.

coding (noun)	steganography (noun)
act of writing in code or cipher	act of writing in code or cipher