rationale：根据，理论说明，理论基础

来自rational,合理的，经过思考的，-ale,名词后缀。

• fiber
• Fibonacci series
• fibre
• fibril
• fibrillation
• fibrin
• fibrinogen
• fibro
• fibroid
• fibroma
• fibrous
• fibula
• fiche
• fickle
• fictile
• fiction
• fictionist
• fictionize
• fictitious
• fiddle
• fiddler
• fiddlesticks
• fidelity
• fidget
• fiduciary