ability (you can't do something)
inability (have an inability to do something)
agreement
disagreement (have a disagreement with someone)
appear
disappear
aware
unaware (=not understanding or realising something)
certain
uncertain
experienced
inexperienced
happiness
unhappiness
honest
dishonest
like (adjective)
unlike (different from, not similar to)
predictable
unpredictable
reliable
unreliable
satisfied
dissatisfied or unsatisfied
understand
misunderstand
expected
unexpected
