Matched context for perforation and ridge

The page lists matched contexts for perforation and ridge.

Share - perforation	Share - ridge	Phrase
11.77%	2.29%	have {perforation or ridge} [perform operation]
3.44%	3.26%	form {perforation or ridge} [perform operation]
4.70%	1.63%	{perforation or ridge} plurality
6.44%	0.87%	plurality {perforation or ridge}
1.53%	2.74%	{perforation or ridge} [does] extend
3.09%	1.02%	{perforation or ridge} series
1.84%	1.28%	include {perforation or ridge} [perform operation]
2.39%	0.54%	{perforation or ridge} number
1.42%	0.60%	{perforation or ridge} [does] form
0.89%	0.78%	{perforation or ridge} [does] have
1.11%	0.78%	provide {perforation or ridge} [perform operation]
1.42%	0.29%	show {perforation or ridge} [perform operation]