Matched context for cleanliness and cleanliness

The page lists matched contexts for cleanliness and cleanliness.

Share - cleanliness	Share - cleanliness	Phrase
31.67%	31.67%	engine {cleanliness or cleanliness}
17.32%	17.32%	improvement in {cleanliness or cleanliness}
16.69%	16.69%	maintain {cleanliness or cleanliness} [perform operation]
13.68%	13.68%	improve {cleanliness or cleanliness} [perform operation]
9.47%	9.47%	piston {cleanliness or cleanliness}
5.67%	5.67%	oil {cleanliness or cleanliness}
5.47%	5.47%	high [size] {cleanliness or cleanliness}