Matched context for tract and stroke

The page lists matched contexts for tract and stroke.

Share - tract	Share - stroke	Phrase
31.07%	5.60%	intake {tract or stroke}
11.41%	2.94%	suction {tract or stroke}
23.11%	0.63%	induction {tract or stroke}
8.94%	0.26%	exhaust [physical/chemical] {tract or stroke}
4.98%	0.39%	engine {tract or stroke}