Matched context for stroke and tract

The page lists matched contexts for stroke and tract.

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