inadequacy

demonstrate, expose, highlight, point out/to, reveal, show (up)

The audit exposed serious inadequacies in the company's safety procedures.

realize, recognize, see

She finally realized the inadequacy of her first attempt and decided to try again.

admit to

She finally admitted to her inadequacy in managing the project and asked for help.

cover up, disguise, hide

She tried to hide her inadequacy by pretending she understood the instructions perfectly.

overcome

She worked hard to overcome her feelings of inadequacy when speaking English in public.

~ in

The company acknowledged serious inadequacies in their customer service training program.