typist vs touch-typist

typist and touch-typist both are nouns.

Word	Noun	Adjective	Verb	Adverb
typist	Yes	No	No	No
touch-typist	Yes	No	No	No

As nouns, touch-typist is a hyponym of typist; that is, touch-typist is a word with a more specific, narrower meaning than typist:

typist: someone paid to operate a typewriter
touch-typist: a skilled typist who can type a document without looking at the keyboard

typist (noun)	touch-typist (noun)
someone paid to operate a typewriter	a skilled typist who can type a document without looking at the keyboard