Matched context for obstacle and defect

The page lists matched contexts for obstacle and defect.

Share - obstacle	Share - defect	Phrase
5.26%	5.11%	{obstacle or defect} in front
8.88%	2.87%	encounter {obstacle or defect} [perform operation]
5.64%	1.15%	detect {obstacle or defect} [perform operation]
1.01%	3.69%	overcome {obstacle or defect} [perform operation]
2.09%	1.06%	{obstacle or defect} presence
3.44%	0.86%	avoid {obstacle or defect} [perform operation]
0.64%	0.74%	{obstacle or defect} [does] cause
1.06%	0.65%	{obstacle or defect} [does] exist
0.94%	0.17%	not {obstacle or defect}
2.14%	0.37%	present [chronology] {obstacle or defect}