Chimney and Thill

Chimney noun - A vertical flue that provides a path through which smoke from a fire is carried away through the wall or roof of a building.

Thill and chimney are semantically related In some cases you can use "Thill" instead a noun "Chimney".

Thill noun - One of two shafts extending from the body of a cart or carriage on either side of the animal that pulls it.

Chimney and thill are semantically related in long part of something topic. You can use "Chimney" instead a noun "Thill".