Matched context for excursion and half-waves

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

Share - excursion	Share - half-waves	Phrase
2.53%	17.76%	voltage {excursion or half-waves}
3.83%	11.09%	positive [certainty] {excursion or half-waves}
6.09%	4.65%	negative [effectiveness] {excursion or half-waves}