dis-, di-, dif-

(Latin: separation, apart, asunder; removal, away, from; negation, deprivation, undoing, reversal, utterly, completely; in different directions)

The meaning of dis- varies with different words; dif-, assimilated form of dis- before f; di-, form of dis- before b, d, g, l, m, n, r, and v.

disableness (s) (noun)
Lacking the capacity to perform one or more normal activities; such as, walking or seeing, because of illness, injury, etc.: "It was obvious that his disableness would hinder him from working for awhile."
disabuse
disacquaint
To render unacquainted; to make unfamiliar.
disadvantage
disadvantaged
disadvantageous
disadvantageously
disadvantageousness
disaffect
disaffectedly
disaffectedness
disaffection
disaffirm
1. To deny, to contradict, or to assert the contrary of something with reference to that which has been asserted.
2. To say that something is not true or that the opposite of it is true.
3. To alter a legal decision, or to refuse to recognize or acknowledge something formally.
disafforest (verb), disafforests; disafforested; disafforesting
To clear a wooded area from a section of land: Because the erection of a shopping center was agreed upon, the ground behind Greg’s house had to be disafforested of most of the trees.
disagree (verb), disagrees; disagreed; disagreeing