Matched context for substitution and variation

The page lists matched contexts for substitution and variation.

Share - substitution	Share - variation	Phrase
19.25%	1.19%	make {substitution or variation} [perform operation]
7.36%	2.28%	possible [certainty] {substitution or variation}
6.49%	0.90%	{substitution or variation} [does] occur
1.57%	0.23%	describe {substitution or variation} [perform operation]