Concordance for noun flapper

The page lists top contexts for noun flapper and their percentages (as applied to automotive subject domain).

Share	Phrase
38.69%	flapper valve
25.36%	flapper door
10.38%	flapper wafer
3.78%	flapper assembly
3.77%	flapper device
3.22%	electromagnetic [physical/chemical] flapper
2.46%	flapper mechanism
2.18%	nozzle flapper
2.09%	flapper [does] close
1.77%	flapper means
1.71%	flapper member
1.60%	flapper [does] move
1.55%	air flapper
1.37%	have flapper [perform operation]