Matched context for wear away and contact

The page lists matched contexts for wear away and contact.

Share - wear away	Share - contact	Phrase
7.27%	4.07%	{wear away or contact} surface [perform operation]
12.43%	1.73%	surface [does] {wear away or contact}
14.37%	0.70%	shoe [does] {wear away or contact}
9.49%	0.27%	{wear away or contact} material [perform operation]