Matched context for polarity and half-waves

The page lists matched contexts for polarity and half-waves.

Share - polarity	Share - half-waves	Phrase
5.15%	11.09%	positive [certainty] {polarity or half-waves}
1.44%	17.97%	alternating [time periodicity] {polarity or half-waves}
1.38%	17.76%	voltage {polarity or half-waves}
4.72%	4.65%	negative [effectiveness] {polarity or half-waves}