Matched context for substitution and alteration

The page lists matched contexts for substitution and alteration.

Share - substitution	Share - alteration	Phrase
19.25%	12.12%	make {substitution or alteration} [perform operation]
6.49%	7.25%	{substitution or alteration} [does] occur
3.63%	9.10%	various [similarity] {substitution or alteration}
7.36%	2.77%	possible [certainty] {substitution or alteration}