• principle
• principled
• principles
• principledly
• principledness
• principle of charity
• principle of explosion
• principle of relativity
• principle of verification
• principle of Pseudo-Scotus
• principle of verifiability
• principle of substitutivity
• principle of least knowledge
• principle of least astonishment

principle (suomeksi)

• periaate (s: rule to solve a problem / moral rule or aspect)
• perusoletus (s: fundamental assumption)
• peruste (s: fundamental assumption)
• prinsiippi (s: fundamental assumption / moral rule or aspect)
• luonnonlaki (s: rule of nature)