Matched context for intercommunicate and block off

The page lists matched contexts for intercommunicate and block off.

Share - intercommunicate	Share - block off	Phrase
12.77%	4.30%	{intercommunicate or block off} chamber [perform operation]
4.87%	6.15%	{intercommunicate or block off} port [perform operation]
3.78%	4.06%	valve [does] {intercommunicate or block off}
4.57%	2.60%	{intercommunicate or block off} passage [perform operation]