Anarchy
In absence of government or control; lawlessness; disorder
Monarchy
Govt headed by a king or queen; single leader
Anecdote
An account of a humorous or revealing incident
Anguish
Agonising physical or mental pain
Animosity
Resentment, hostility, ill will
Anomaly
An aberration, an irregularity, a deviation
“Something that is anomalous is not normal or regular
Antecedent
Someone or something that went before
“Your parents, grandparents could be said to be your antecedents
“Predecessor”
Antipathy
Firm dislike
Antithesis
A person or thing that is direct opposite of someone or something else.
“Love is antithesis of selfishness”
Apartheid
Segregation on grounds of race, gender etc.