Eradication
elimination
An 11 letter word having to do with sex is fornication.
"Perspective" is an 11-letter word that means point of view.
inquisitive
The word is conciliator. It means a peacemaker.
Inconcludive
An 11 letter word that means "to invade someone's privacy" is "trespassing".
quarrelsome
accommodate
fashionista
exquisitely or masterpiece