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

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

quiddˈitātive adjective

• seismograms
• seismograph
• seismographer
• seismographers
• seismographic
• seismographical
• seismographies
• seismographs
• seismography
• seismologic
• seismological
• seismologically
• seismologies
• seismologist
• seismologists
• seismology
• seismometer
• seismometers
• seismometric
• seismometrical
• seismometries
• seismometry
• seismonastic
• seismonasties
• seismonasty