1. and Terry started to raise money.

2. and Terry started to collect money.

3. We are rasing money for charity.
4. We are collecting money for charity.

5. We are raising volunteers to do the work.
6. We are collecting volunteers to do the work.
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Ca we use both 'raise' and 'collect' in the sentences? Do they have the same meaning? Which one is commonly used, 'raise' or' collect'?

Yes, in this context, the words are synonymous. Look up the words. "Raise" has more than one meaning, but, here, you are correct to use it.

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