Some examples of antonyms created by adding the prefix dis- are:

• Agree → disagree

• Appear → disappear

• Belief → disbelief

• Honest → dishonest

Adding the prefix in- can make the following opposites:

• Tolerant → intolerant

• Decent → indecent

• Discreet → indiscreet

• Excusable → inexcusable

Using the prefix mis- create antonyms like:

• Behave → misbehave

• Interpret → misinterpret

• Lead → mislead

• Trust → mistrust

Examples of antonyms made by adding the prefix un- are:

• Likely → unlikely

• Able → unable

• Fortunate → unfortunate

• Forgiving → unforgiving

By adding the prefix non- you can make these antonyms:

• Entity → nonentity

• Conformist → nonconformist

• Payment → nonpayment

• Sense → nonsense