Matched context for difficult and effective

The page lists matched contexts for difficult and effective.

Share - difficult	Share - effective	Phrase
1.55%	0.20%	{difficult or effective} to control
0.18%	0.15%	{difficult or effective} to improve
0.26%	0.20%	{difficult or effective} to increase
1.44%	0.31%	{difficult or effective} to maintain
0.18%	0.28%	{difficult or effective} to move
0.17%	0.43%	{difficult or effective} to prevent
0.68%	0.35%	{difficult or effective} to provide
0.60%	0.32%	{difficult or effective} to reduce
0.18%	0.17%	especially {difficult or effective}
1.38%	0.23%	extremely {difficult or effective}
0.14%	0.20%	less {difficult or effective}
1.82%	0.42%	more {difficult or effective}
0.29%	0.39%	particularly {difficult or effective}
0.43%	0.16%	quite {difficult or effective}
1.70%	0.51%	very {difficult or effective}