The word "feron" is an uncommon word that can sometimes be spelled as "pheromone". It is pronounced as /ˈfɛrən/ and refers to a chemical substance produced by animals and insects that acts as a signal to other individuals of the same species. The spelling of this word can be difficult due to the silent "h" and the uniqueness of its combination of letters. However, once the pronunciation is understood, it becomes easier to spell correctly.