D

decent

indecent

decently

indecently

decisive

indecisive

decision

indecision

defensible

indefensible

definite

indefinite

delible

indelible

delicate

indelicate

dependent

independent

describable

indescribable

destructible

indestructible

direct

indirect

directly

indirectly

discernible

indiscernible

discreet

indiscreet

dispensable

indispensable

disputable

indisputable

distinct

indistinct

distinguishable

indistinguishable

edible

inedible

E

effective

ineffective

effectual

ineffectual

efficient

inefficient

efficiently

inefficiently

eligible

ineligible

equality

inequality

essential

inessential

excusable

inexcusable

exhaustible

inexhaustible

expensive

inexpensive

experience

inexperience

experienced

inexperienced

explicable

inexplicable