| orpine orpines
 orpins
 orra
 orrach
 orrachs
 orreries
 orrery
 orrice
 orrices
 
 | orris orrises
 orrisroot
 orrisroots
 orrorrhœa
 ors (current term)
 orschallite
 orse
 orseille
 orseilles
 
 | orseillin BB orsellic
 orsellic acid
 orsellinate
 orsellinates
 orsellinic
 orsellinic acid
 ort-a-cath
 ortalidian
 
 |