How to Use "naivete" with Example Sentences

1. And pardon my naivete , isn 't 20w50 thicker than 10w40 ?

2. There is a smile called naivete .

3. He finds the naivete of the young officer very engaging .

4. Your naivete is refreshing .

5. " The innocence , the freshness , the mischief , the naivete ...... "