-ωσις
-ōsis
“condition, process”
7 words in English grow from this root.
Chlorosis
Natureχλωρόςchlōrós
“green condition”
Cyanosis
Medicineκυανόςkuanós
“a turning dark blue”
Kyphosis
Medicineκυφόςkyphós
“hunched condition”
Neurosis
Mindνεῦρονneûron
“nerve condition”
Psittacosis
Medicineψιττακόςpsittakós
“parrot condition”
Psychosis
Mindψυχήpsykhḗ
“condition of the mind”
Stenosis
Medicineστενόςstenós
“a narrowing”