Matched context for obstruction and obstacle

The page lists matched contexts for obstruction and obstacle.

Share - obstruction	Share - obstacle	Phrase
15.17%	8.88%	encounter {obstruction or obstacle} [perform operation]
4.02%	9.08%	strike {obstruction or obstacle} [perform operation]
2.72%	5.64%	detect {obstruction or obstacle} [perform operation]
3.34%	3.44%	avoid {obstruction or obstacle} [perform operation]
3.51%	3.24%	present {obstruction or obstacle} [perform operation]
3.38%	2.24%	hit {obstruction or obstacle} [perform operation]
3.20%	1.41%	{obstruction or obstacle} to flow
2.88%	1.50%	contact {obstruction or obstacle} [perform operation]
1.84%	1.63%	road {obstruction or obstacle}
1.15%	0.94%	not {obstruction or obstacle}
0.38%	1.19%	{obstruction or obstacle} means