In this context, "fit" and "suit" are verbs. "Suitable" and "convenient" are adjectives. Aside from that, I think a dictionary can tell you the difference quite clearly.
August 30, 2014
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Hello there
I would suggest you try and write some sentences then we will help you explain what works and what doesn't work and we can give you other examples too. :)
August 30, 2014
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