Matched context for reason and concern

The page lists matched contexts for reason and concern.

Share - reason	Share - concern	Phrase
3.18%	3.67%	safety {reason or concern}
0.25%	24.13%	environmental [natural phenomenon] {reason or concern}
0.51%	4.78%	major [importance] {reason or concern}
0.21%	5.47%	primary [numeric] {reason or concern}