Matched context for pf and buildup

The page lists matched contexts for pf and buildup.

Share - pf	Share - buildup	Phrase
25.27%	22.17%	pressure {pf or buildup}
3.79%	2.41%	brake {pf or buildup}
6.94%	1.02%	fluid [state] {pf or buildup}
11.93%	0.37%	fuel {pf or buildup}
0.67%	1.57%	{pf or buildup} in chamber
0.36%	0.34%	not {pf or buildup}
0.89%	1.04%	reduce {pf or buildup} [perform operation]