Matched context for preferred and ineffective

The page lists matched contexts for preferred and ineffective.

Share - preferred	Share - ineffective	Phrase
0.07%	15.71%	{preferred or ineffective} [effectiveness] fuel
0.33%	3.25%	{preferred or ineffective} [effectiveness] system
0.04%	2.14%	{preferred or ineffective} [effectiveness] brake
0.22%	2.32%	{preferred or ineffective} [effectiveness] catalyst
0.05%	1.02%	{preferred or ineffective} [effectiveness] device
0.04%	0.92%	{preferred or ineffective} [effectiveness] it
0.17%	5.46%	{preferred or ineffective} [effectiveness] means
0.09%	1.20%	{preferred or ineffective} [effectiveness] operation
0.03%	3.53%	{preferred or ineffective} [effectiveness] period
0.09%	1.66%	{preferred or ineffective} [effectiveness] position
0.10%	1.06%	{preferred or ineffective} [effectiveness] valve