Matched context for butane and methane

The page lists matched contexts for butane and methane.

Share - butane	Share - methane	Phrase
4.77%	10.64%	fuel [is] {butane or methane}
4.83%	9.78%	{butane or methane} gas
1.36%	4.10%	contain {butane or methane} [perform operation]
1.97%	2.47%	{butane or methane} fuel
1.68%	2.42%	include {butane or methane} [perform operation]
1.31%	2.44%	use {butane or methane} [perform operation]