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
Cease: stop
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
Cite: quote
He is quite fond of citing from the Vedas.
Sight: spectacle
That was a sight to see.
Site: place
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.