Matched context for envelope and contact

The page lists matched contexts for envelope and contact.

Share - envelope	Share - contact	Phrase
8.69%	4.07%	{envelope or contact} surface [perform operation]
9.84%	0.87%	{envelope or contact} portion [perform operation]
15.35%	0.35%	{envelope or contact} electrode [perform operation]
13.07%	0.18%	head [does] {envelope or contact}