Fossil fuel and Kerosene

Fossil fuel noun - Fuel consisting of the remains of organisms preserved in rocks in the earth's crust with high carbon and hydrogen content.

Kerosene and fossil fuel are semantically related In some cases you can use "Kerosene" instead a noun phrase "Fossil fuel".

Kerosene noun - A flammable hydrocarbon oil used as fuel in lamps and heaters.

Fossil fuel and kerosene are semantically related in oil topic. You can use "Fossil fuel" instead a noun "Kerosene".