Matched context for obturate and block

The page lists matched contexts for obturate and block.

Share - obturate	Share - block	Phrase
26.46%	2.25%	{obturate or block} passage [perform operation]
28.14%	1.66%	{obturate or block} port [perform operation]
20.85%	0.60%	{obturate or block} opening [perform operation]
24.53%	0.45%	member [does] {obturate or block}