Matched context for pure and purified

The page lists matched contexts for pure and purified.

Share - pure	Share - purified	Phrase
10.19%	18.55%	{pure or purified} [purity] air
4.28%	15.17%	{pure or purified} [purity] gas
5.00%	6.50%	{pure or purified} [purity] fuel
2.80%	5.93%	{pure or purified} [purity] water
0.84%	10.68%	{pure or purified} [purity] oil