Matched context for obstacle and drawback

The page lists matched contexts for obstacle and drawback.

Share - obstacle	Share - drawback	Phrase
8.88%	8.71%	encounter {obstacle or drawback} [perform operation]
3.44%	4.00%	avoid {obstacle or drawback} [perform operation]
1.01%	12.21%	overcome {obstacle or drawback} [perform operation]
3.24%	0.77%	present {obstacle or drawback} [perform operation]
1.06%	0.36%	{obstacle or drawback} [does] exist
0.48%	0.72%	device {obstacle or drawback}
0.82%	0.36%	find {obstacle or drawback} [perform operation]