Prefixes

Prefixes:

Prefixes are commonly used to indicate size (macro, micro), quantity (mono, uni, bi, tri, quad, multi, poly), relationships (anti, contra, com, sym), position in time (ante, fore, pre, post) or space (circum, exo, inter, intra, peri, sub, trans, etc.), quality (eu, mal), or negation. (See Negative Prefix List for a more detailed discussion.)

di-dis: is a quality or negation.

Examples: disability; disaffirm; disbar; disbelief; discontent; dishearten; dislike; disown.