Matched context for corona and spark

The page lists matched contexts for corona and spark.

Share - corona	Share - spark	Phrase
9.19%	48.12%	{corona or spark} plug
52.69%	1.88%	{corona or spark} discharge
1.79%	7.32%	{corona or spark} gap
1.97%	1.10%	{corona or spark} electrode
13.13%	0.09%	{corona or spark} coupler
0.83%	0.15%	{corona or spark} circuit
1.52%	0.17%	{corona or spark} device
0.56%	0.25%	{corona or spark} system
0.89%	0.12%	{corona or spark} [does] produce
0.93%	0.60%	produce {corona or spark} [perform operation]