Matched context for fluoride and phosphite

The page lists matched contexts for fluoride and phosphite.

Share - fluoride	Share - phosphite	Phrase
7.99%	8.93%	chromic [physical/chemical] {fluoride or phosphite}
5.74%	7.49%	calcium {fluoride or phosphite}
3.68%	8.92%	strontium {fluoride or phosphite}
3.75%	7.95%	barium {fluoride or phosphite}
3.71%	7.87%	magnesium {fluoride or phosphite}