Matched context for trapezoidal and concave

The page lists matched contexts for trapezoidal and concave.

Share - trapezoidal	Share - concave	Phrase
28.31%	3.72%	{trapezoidal or concave} [shape] shape
17.17%	2.72%	{trapezoidal or concave} [shape] section
4.47%	1.69%	{trapezoidal or concave} [shape] configuration
6.40%	0.96%	{trapezoidal or concave} [shape] hole
4.77%	0.41%	{trapezoidal or concave} [shape] opening
2.29%	0.23%	generally [resume] {trapezoidal or concave}