How To Spell impairs?

Correct spelling: impairs

Google Ngram Viewer results for impairs:

This graph shows how "impairs" have occurred between 1800 and 2008 in a corpus of English books.

What are the usage examples for impairs?

  1. It is pleasant to see that the advance of years impairs not the taste for a refined and innocent pleasure. – The Idler in France by Marguerite Gardiner