Matched context for octane and cetane

The page lists matched contexts for octane and cetane.

Share - octane	Share - cetane	Phrase
17.57%	37.44%	{octane or cetane} number
26.64%	10.42%	{octane or cetane} rating
1.63%	17.66%	{octane or cetane} improver
6.03%	3.66%	{octane or cetane} fuel
4.08%	2.32%	{octane or cetane} value
4.63%	0.53%	{octane or cetane} requirement
0.82%	0.77%	{octane or cetane} level
0.27%	0.22%	have {octane or cetane} [perform operation]
0.98%	0.53%	low [size] {octane or cetane}