Matched context for fluoride and bromide

The page lists matched contexts for fluoride and bromide.

Share - fluoride	Share - bromide	Phrase
7.99%	9.00%	chromic [physical/chemical] {fluoride or bromide}
5.74%	3.48%	calcium {fluoride or bromide}
3.71%	4.18%	magnesium {fluoride or bromide}
3.68%	4.15%	strontium {fluoride or bromide}
3.75%	3.69%	barium {fluoride or bromide}