Matched context for pollute and aspirate

The page lists matched contexts for pollute and aspirate.

Share - pollute	Share - aspirate	Phrase
7.37%	15.40%	{pollute or aspirate} air [perform operation]
8.30%	9.36%	engine [does] {pollute or aspirate}
2.87%	0.41%	not {pollute or aspirate}