inscription vs writing

inscription and writing both are nouns.

Word	Noun	Adjective	Verb	Adverb
inscription	Yes	No	No	No
writing	Yes	No	No	No

As nouns, writing is a hypernym of inscription; that is, writing is a word with a broader meaning than inscription:

inscription: the activity of inscribing (especially carving or engraving) letters or words
writing: the activity of putting something in written form

Other hypernyms of inscription include committal to writing.

As nouns, writing is a hypernym of inscription; that is, writing is a word with a broader meaning than inscription:

inscription: letters inscribed (especially words engraved or carved) on something
writing: the work of a writer; anything expressed in letters of the alphabet (especially when considered from the point of view of style and effect)

Other hypernyms of inscription include piece of writing, written material.

inscription (noun)	writing (noun)
the activity of inscribing (especially carving or engraving) letters or words	the activity of putting something in written form
letters inscribed (especially words engraved or carved) on something	the act of creating written works
a short message (as in a book or musical work or on a photograph) dedicating it to someone or something	the work of a writer; anything expressed in letters of the alphabet (especially when considered from the point of view of style and effect)
	letters or symbols that are written or imprinted on a surface to represent the sounds or words of a language
	(usually plural) the collected work of an author