Rob and steal
Rob: deprive somebody of his property; take (property) from a place unlawfully and often by force
Armed men robbed the state bank yesterday.
They robbed the traveler of his wallet.
Steal: to take and keep something which belongs to somebody else.
The master punished the boy for stealing the money.
Stay and stop
Stay: remain; keep still in the same place
We stayed in a farmhouse for our holidays.
Stop: to come to rest; to stay somewhere for a while
We stopped at the pub for a drink.
Access and excess
Few children in the villages have access to a computer.
The number of students who seeks access to the laboratory are in excess of 300.
Cease and seize
Seize: take hold of something eagerly or violently
She never ceases to amaze me.
The policeman seized the thief by the collar.
Cite, sight and site
He is quite fond of citing from the Vedas.
That was a sight to see.
They are building a factory on the site.
Conscience, cautious and conscious
Conscience: ethics, sense of right and wrong
One should have a clear conscience.
Cautious: careful, alert
One must be cautious while driving.
Conscious: aware, mindful
A healthy man is not conscious of his breathing.
He is conscious of his guilt.