renovator：革新者；修理者；更新器

词根词缀：re-再 + -nov-新 + -ator名词词尾

• founder
• foundling
• foundry
• fount
• fountain
• four
• four-letter word
• fowl
• fox
• foxed
• foxglove
• fox-trot
• foyer
• fracas
• fractal
• fraction
• fractional
• fractionate
• fractious
• fracture
• fragile
• fragility
• fragment
• fragmentate
• fragmentize