I'm not really sure what you're asking. Do you mean, when we count, can't we count them as "One cloud, two cloud" or "One cat, two cat ..." I guess you could. But as long as we know what we're doing, we count them as "One, two, three ..." not "One cloud, two couds, three clouds ..." If you wanted, you could count as "Cloud 1, Cloud 2, Cloud 3 ..." - I use capitals because here you're naming them.
Maybe I've misunderstood. Was that the question?
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