dis-

Not, the reverse of. (Especially forming words with a negative connotation)

dis- + agree → disagree

dis- + connect → disconnect

Expressing separation or removal.

dis- + card → discard (“to throw out a card”)

dis- + bar → disbar (“to expel from the bar”)

Used as an intensifier.

dis- + embowel → disembowel

dis- + annul → disannul (“to annul”)

Alternative form of dys- (“incorrect”).

dis- + function → disfunction