Matched context for pb and pf

The page lists matched contexts for pb and pf.

Share - pb	Share - pf	Phrase
13.39%	25.27%	pressure {pb or pf}
1.31%	3.22%	detect {pb or pf} [perform operation]
0.18%	11.93%	fuel {pb or pf}
0.77%	1.31%	{pb or pf} [location] base
0.46%	2.82%	actual [validity] {pb or pf}
0.25%	0.86%	{pb or pf} [does] become
0.71%	0.83%	equal [similarity] {pb or pf}
0.45%	0.83%	lower [location] {pb or pf}
0.49%	1.26%	supply {pb or pf} [perform operation]
0.97%	0.71%	value {pb or pf}