Matched context for knife-edge and slit

The page lists matched contexts for knife-edge and slit.

Share - knife-edge	Share - slit	Phrase
9.98%	2.92%	have {knife-edge or slit} [perform operation]
28.51%	0.81%	extending [shape] {knife-edge or slit}
15.51%	0.51%	{knife-edge or slit} [does] define