Pheromones is a 10 letter English word. It's valid Words with friends word worth 19 points.
You can make 552 anagrams from letters in pheromones (eehmnooprs).
1959; Greek phér(ein) to bear, bring + -o- + (hor)mone
There are so many unanswered questions and smell relates to so many of them, like pheromones, and like these diseases.