Matched context for tract and passage

The page lists matched contexts for tract and passage.

Share - tract	Share - passage	Phrase
31.07%	3.57%	intake {tract or passage}
23.11%	1.42%	induction {tract or passage}
15.84%	1.02%	inlet {tract or passage}
8.94%	0.42%	exhaust [physical/chemical] {tract or passage}
11.41%	0.28%	suction {tract or passage}
4.62%	0.51%	gas {tract or passage}
4.98%	0.14%	engine {tract or passage}