Touch-type and Touch typing

Touch-type verb - Type without looking at the keyboard.

Touch typing and touch-type are semantically related In some cases you can replace phrase "Touch typing" with "Touch-type", this phrases are similar.

Touch typing noun - Typewriting in which the fingers are trained to hit particular keys; typist can read and type at the same time.

Touch-type and touch typing are semantically related in hit keys on machine to print document topic. You can use "Touch-type" instead a verb phrase "Touch typing".