1.
cognoscenti - People who are considered to be especially well informed about a particular subject.
2.
cognomen - A third personal name given to an ancient Roman citizen, typically passed down from father to son, for example Marcus Tullius Cicero.
3.
cognizance - Knowledge, awareness, or notice.
4.
supernate - To float on the surface of a liquid.
5.
nativism - The belief that certain ideas or abilities are inborn.
6.
nativity - The event of a person's birth.
7.
aquavit - An alcoholic spirit made from potatoes or other starchy plants.
8.
aquarellist - An artist who specializes in watercolor painting, particularly using transparent washes.
9.
aqualung - A portable breathing apparatus for divers, consisting of cylinders of compressed air strapped on the diver's back, feeding air automatically through a mask or mouthpiece.
10.
assignation - An appointment to meet someone in secret, typically one made by lovers.
11.
insignia - A badge or distinguishing mark of military rank, office, or membership of an organization; an official emblem.
12.
countersign - Add a signature to (a document already signed by another person).
13.
audacity - Rude or disrespectful behavior; impudence.
14.
audiologist - A healthcare professional who specializes in the diagnosis, management, and treatment of hearing, balance, and related ear problems.
15.
audiogenic - Produced or triggered by sound.
16.
obstructive - Causing a blockage or obstruction.
17.
constructivism - A theory that knowledge is not passively received but actively built by individuals through their experiences and reflection.
18.
biodestructor - A theory that knowledge is not passively received but actively built by individuals through their experiences and reflection.
