path·o·gen 
(păthə-jən)
(păthə-jən)n.
An agent that causes disease, especially a virus, bacterium, or fungus.
- personalty
- personal watercraft
- persona non grata
- personate
- personate
- personation
- personative
- personator
- personhood
- personification
- personifier
- personify
- personnel
- person of color
- person of interest
- person-to-person
- perspectival
- perspective
- perspectively
- perspicacious
- perspicaciously
- perspicaciousness
- perspicacity
- perspicuity
- perspicuous