Collocations for inexperience - noun

relative
youthful
sexual

show
She showed her inexperience by asking lots of trivial questions.

be down to (BrE)
The team's defensive errors were down to (= a result of their) inexperience.

put sth down to (BrE)
He put his mistakes down to (= believed they were caused by his) inexperience.

show
Her inexperience in politics did not show.

because of inexperience, through inexperience (esp. BrE)
They made mistakes because of their inexperience.

inexperience in
inexperience in teaching