shorthand typist vs secretary

shorthand typist and secretary both are nouns.

Word	Noun	Adjective	Verb	Adverb
shorthand typist	Yes	No	No	No
secretary	Yes	No	No	No

As nouns, secretary is a hypernym of shorthand typist; that is, secretary is a word with a broader meaning than shorthand typist:

shorthand typist: someone skilled in the transcription of speech (especially dictation)
secretary: an assistant who handles correspondence and clerical work for a boss or an organization

Other hypernyms of shorthand typist include secretarial assistant.

shorthand typist (noun)	secretary (noun)
someone skilled in the transcription of speech (especially dictation)	a desk used for writing
	an assistant who handles correspondence and clerical work for a boss or an organization
	a person who is head of an administrative department of government
	a person to whom a secret is entrusted