Here's an example with many nouns:
"The sun peeked over the horizon, casting light on the trees, the birds, the grass, the dew, and the roofs of the houses in the valley, all bathed in the glow of the morning."
This sentence has 12 nouns!
However, using too many nouns can make your sentence clunky and difficult to understand. It's important to find a balance between using enough nouns to be clear and concise, and not overloading the reader with too much information.