quiddity /kwidˈi-ti/ or (archaic) quiddit /kwidˈit/

1. The inherent nature or essence of anything
2. Any trifling nicety
3. A quibble

quiddˈitātive adjective

• exercised
• exercise price
• exerciser
• exercisers
• exercises
• exercising
• exercitation
• exercitations
• exergaming
• exergies
• exergonic
• exergual
• exergue
• infantries
• infantry
• infantryman
• infantrymen
• infants
• infant school
• infant schools
• infarct
• infarction
• infarctions
• infarcts
• infare