The phrase 'nervousness of' is not correct in written English.
Instead, you could use 'nervousness about'. For example, 'I felt a nervousness about speaking in front of such a large crowd.'.
"He uses that nervousness of the opponent.
"You understand the nervousness of residents," he says.
"I can see the nervousness of Hezbollah and the Syrians.
The atmosphere has the nervousness of a horse race.
And this has started to calm the nervousness of the markets.
Across America and beyond, fans of the show share the nervousness of his co-stars.
We believe that nervousness of this is a material drag on the share price at present.
Because what really strikes one is the nervousness of the tone.
Underlying the nervousness of modern politicians is a deeper ethical lacuna in modern society.
It is also tense and constrained, with all the whiplash nervousness of its Art Nouveau extraction.
The candidates' cheery demeanor on the trail today at times obscured the nervousness of their advisers.
