aerofoil
airfoil
control surface
surface
landing flap
Japs
Lapps
apps
caps
chaps
claps
collapse
craps
elapse
gaps
lapps
laps
lapse
maps
naps
perhaps
raps
relapse
saps
schnapps
scraps
slaps
snaps
straps
taps
traps
wraps
yaps
zaps