principium /prin-sipˈi-əm or pring-kipˈi-ŭm/

1. A beginning
2. A first principle or element
3. The general's quarters in a Roman camp

• fluorocarbon
• fluorocarbons
• fluorochrome
• fluorochromes
• fluorography
• fluorometer
• fluorometers
• fluorometric
• fluoroscope
• fluoroscopes
• fluoroscopic
• fluoroscopies
• fluoroscopy
• fluoroses
• fluorosis
• fluorotype
• fluorotypes
• fluorouracil
• fluors
• fluorspar
• fluorspars
• Fluothane
• fluoxetine
• flurr
• flurred