write vs stenograph

write is not a noun while stenograph is a noun.

Word	Noun	Adjective	Verb	Adverb
write	No	No	Yes	No
stenograph	Yes	No	Yes	No

As verbs, stenograph is a hyponym of write; that is, stenograph is a word with a more specific, narrower meaning than write:

write (noun)	stenograph (noun)
	a machine for typewriting shorthand characters
	a shorthand character

write (verb)	stenograph (verb)
communicate or express by writing	write in shorthand
record data on a computer
contact in writing
produce a literary work
mark or trace words or symbols on a surface
write or name the letters that comprise the conventionally accepted form of (a word or part of a word)
write music
create code, write a computer program