Matched context for concentric and semi-spherical

The page lists matched contexts for concentric and semi-spherical.

Share - concentric	Share - semi-spherical	Phrase
2.60%	16.60%	{concentric or semi-spherical} [shape] recess
2.72%	8.52%	{concentric or semi-spherical} [shape] surface
1.69%	8.82%	{concentric or semi-spherical} [shape] portion
1.15%	7.33%	{concentric or semi-spherical} [shape] wall
0.20%	12.19%	{concentric or semi-spherical} [shape] shape
0.53%	3.74%	{concentric or semi-spherical} [shape] element
0.28%	5.63%	{concentric or semi-spherical} [shape] projection
0.43%	1.79%	substantially {concentric or semi-spherical}