Aventail :: Aventail (n.) The movable front to a helmet; the ventail.
Preventable :: Preventable (a.) Capable of being prevented or hindered; as, preventable diseases..
Preventative :: Preventative (n.) That which prevents; -- incorrectly used instead of preventive.
Subventaneous :: Subvene (v. i.) To come under, as a support or stay; to happen..
Ventage :: Ventage (n.) A small hole, as the stop in a flute; a vent..
Ventail :: Ventail (n.) That part of a helmet which is intended for the admission of air, -- sometimes in the visor..