Collocations for nervousness - noun

extreme, great
There has been great nervousness about the future.

increasing
slight
initial

feel
betray, show, show signs of
She managed to speak without betraying her nervousness.

cover, cover up, hide
She laughed to hide her nervousness.

overcome
sense
I could sense his nervousness.

from nervousness
I was babbling from nervousness.

out of nervousness
He found himself chattering away out of nervousness.

nervousness about
her nervousness about working with children

nervousness at
He felt some nervousness at the prospect of meeting her.

a sign of nervousness
Adjusting your tie is often a sign of nervousness.