Matched context for corrugation and ridge

The page lists matched contexts for corrugation and ridge.

Share - corrugation	Share - ridge	Phrase
7.01%	2.63%	circumferential [location] {corrugation or ridge}
5.17%	2.29%	have {corrugation or ridge} [perform operation]
4.85%	1.31%	longitudinal [direction] {corrugation or ridge}
2.99%	0.78%	{corrugation or ridge} [does] have
4.07%	0.35%	adjacent [location] {corrugation or ridge}