Not many and Sparse

Sparse and not many are semantically related. in content topic. In some cases you can use "Sparse" instead an adjective phrase "Not many", when it comes to topics like assorted, hardly any.

Sparse adjective - Less plentiful than what is normal, necessary, or desirable.

Not many and sparse are semantically related. You can use "Not many" instead an adjective "Sparse".

Nearby Word: sparsely