Matched context for ineffective and economical

The page lists matched contexts for ineffective and economical.

Share - ineffective	Share - economical	Phrase
15.71%	0.71%	{ineffective or economical} [effectiveness] fuel
5.46%	2.18%	{ineffective or economical} [effectiveness] means
3.25%	3.41%	{ineffective or economical} [effectiveness] system
6.92%	0.98%	{ineffective or economical} [effectiveness] make
1.20%	3.74%	{ineffective or economical} [effectiveness] operation
1.02%	2.42%	{ineffective or economical} [effectiveness] device
0.92%	2.93%	{ineffective or economical} [effectiveness] it
1.06%	1.20%	{ineffective or economical} [effectiveness] valve
0.68%	0.64%	relatively {ineffective or economical}