(1) Accident (something unexpected) :
A raiway accident occurred yesterday.
Incident (subordinate event) A strange incident took place there.
Event (some important occurrence)
Describe the events of the reign of king Ashoka.
(2) Adopt ( take up; or accept as one's own.
I cannot decide which course I should "adopt". He has adopted a son.
Adapt (adjust properly, make fit : We mmust "adapt" ourselves to the change circumstances.
Adept ( thoroughly proficient) :
He is "an "adept" in the art of debating.
(3) Affact (produce effect on) :
Age "affected" his memory.
(affect = verb)
Effect (effect = noun, result) :
His speech produce no "effect" on the audience.
(4) Affection (love) :
I have great affection for the children.
Affectation (pretence, artificiality) :
His sorrow is mere affection just mark with how much affectation he talks.
He is "an "adept" in the art of debating.
(3) Affact (produce effect on) :
Age "affected" his memory.
(affect = verb)
Effect (effect = noun, result) :
His speech produce no "effect" on the audience.
(4) Affection (love) :
I have great affection for the children.
Affectation (pretence, artificiality) :
His sorrow is mere affection just mark with how much affectation he talks.