Matched context for commencement and arrival

The page lists matched contexts for commencement and arrival.

Share - commencement	Share - arrival	Phrase
4.13%	7.35%	detect {commencement or arrival} [perform operation]
1.36%	17.36%	{commencement or arrival} time
1.64%	7.40%	pulse {commencement or arrival}
4.71%	2.48%	control {commencement or arrival}