Matched context for variant and alteration

The page lists matched contexts for variant and alteration.

Share - variant	Share - alteration	Phrase
33.25%	2.77%	possible [certainty] {variant or alteration}
1.33%	7.25%	{variant or alteration} [does] occur
4.14%	2.22%	invention {variant or alteration}
1.81%	1.40%	design {variant or alteration}