Matched context for formation and stratification

The page lists matched contexts for formation and stratification.

Share - formation	Share - stratification	Phrase
3.85%	7.69%	mixture {formation or stratification}
1.20%	4.10%	promote {formation or stratification} [perform operation]
0.22%	5.25%	achieve {formation or stratification} [perform operation]
0.32%	1.42%	{formation or stratification} [does] occur
0.27%	0.46%	gas {formation or stratification}
0.30%	2.15%	good [character] {formation or stratification}
0.22%	0.31%	have {formation or stratification} [perform operation]
0.28%	2.12%	improve {formation or stratification} [perform operation]
0.34%	0.94%	permit {formation or stratification} [perform operation]