touch typing vs typing

touch typing and typing both are nouns.

Word	Noun	Adjective	Verb	Adverb
touch typing	Yes	No	No	No
typing	Yes	No	No	No

As nouns, typing is a hypernym of touch typing; that is, typing is a word with a broader meaning than touch typing:

touch typing: typewriting in which the fingers are trained to hit particular keys; typist can read and type at the same time
typing: writing done with a typewriter

Other hypernyms of touch typing include typewriting.

touch typing (noun)	typing (noun)
typewriting in which the fingers are trained to hit particular keys; typist can read and type at the same time	writing done with a typewriter