sui-

(Latin: self, of oneself)

sui generis
Of its own kind.

"Unique, in a class by itself." Having a distinct character of its own; unlike anything else.

sui juris (Latin legal term)
Translation: "Of his or her own right."

"Of full legal capacity."

suicidal (adjective), more suicidal, most suicidal
1. Concerning suicide: Dr. Smith was an expert on suicidal behavior and actions of young adults.
2. Regarding a person who attempts to, or is likely to commit suicide: In the car accident, Dave lost his mother, his wife, and three children and was certainly considered to be suicidal.
3. Descriptive of a person who is extremely careless or reckless: Sam drove his car while drinking beer and smoking and his addiction to these habits while driving was seen as absolutely suicidal.
suicidally
suicidology
suicism
suigenderism
suimate
Uxor non est sui juris, sed sub potestate viri.
A legal term meaning: A wife is not her own mistress, but is under the power of her husband.