It is easy to confuse ‘beside’ and ‘besides’, but they are not one and the same thing. ‘Beside’ is a preposition, whereas ‘besides’ works as both a preposition and an adverb, and although ‘besides’ is sometimes used in place of ‘beside’, they have distinct meaning.
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Beside
:
means ‘by or at the side of’.
Note : ‘Beside’ is a preposition
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Besides
:
means ‘in addition to’ or ‘apart from’.
Note : ‘Besides’ works as both a preposition and an adverb.
Examples with 'beside'
He stood beside his new bike proudly.
There was no one beside him in the cinema hall.
Examples with 'besides'
What are you working on besides the research project?
He did not have a good grasp of his concepts. Besides, he did not seem very keen.