Synonyms for Fossil oil:

• n.

  •coal oil (noun)
  • coal oil.
  •crude (noun)
  • crude.
  •crude oil (noun)
  • petrol,
  • black gold,
  • crudes,
  • petroleum,
  • rock oil,
  • texas tea,
  • petrols.

• Other synonyms:

  •n.
  • crude oil,
  • fossil fuel,
  • oil.