Matched context for obstruction and difficulty

The page lists matched contexts for obstruction and difficulty.

Share - obstruction	Share - difficulty	Phrase
15.17%	10.92%	encounter {obstruction or difficulty} [perform operation]
3.51%	3.17%	present {obstruction or difficulty} [perform operation]
3.34%	2.29%	avoid {obstruction or difficulty} [perform operation]
1.10%	1.74%	cause {obstruction or difficulty} [perform operation]
1.15%	1.05%	not {obstruction or difficulty}
1.99%	0.44%	minimize {obstruction or difficulty} [perform operation]
1.48%	0.65%	particular [typicality] {obstruction or difficulty}
0.92%	0.21%	prevent {obstruction or difficulty} [perform operation]
1.18%	0.22%	provide {obstruction or difficulty} [perform operation]
1.15%	0.15%	system {obstruction or difficulty}