Matched context for alteration and substitution

The page lists matched contexts for alteration and substitution.

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