I have a septan reminder set on my phone to take my medication every Sunday.

He was diagnosed with septan, a fever recurring every seventh day.

Septane is a type of hydrocarbon.

There are seven septanes in the compound.

The septans gathered for their annual meeting.

I found a septanose in the lab.

There are seven septanoses in the solution.

The shape of the building is septangular.

The septangle is a geometric figure with seven angles.

The artist created beautiful septangles in their artwork.