Matched context for economical and difficult

The page lists matched contexts for economical and difficult.

Share - economical	Share - difficult	Phrase
4.16%	1.82%	more {economical or difficult}
15.47%	0.41%	{economical or difficult} to manufacture
1.78%	0.67%	{economical or difficult} to install
0.87%	1.70%	very {economical or difficult}
1.41%	0.39%	{economical or difficult} to assemble
0.68%	0.50%	{economical or difficult} to make
0.51%	0.16%	{economical or difficult} to operate
1.46%	0.24%	{economical or difficult} to produce
0.66%	0.45%	{economical or difficult} to use
0.81%	0.29%	particularly {economical or difficult}
0.64%	0.17%	relatively {economical or difficult}