coach
private coach

demon
private demons

detective
private detective

enterprise
private enterprise

income
private income / unearned income

infringe
...on somebody's private affairs

joke
private joke

library
private library

means
private means

ownership
to be in private ownership

PBX
private branch exchange

person
private person

persuasion
it is my private persuasion that...

PI
private investigator

PMI
Private Medical Insurance

poke
to poke into somebody's private affairs

private
private property

property
private property

PS
private secretary

Pte
Private

room
private room

secretary
private secretary

sector
private sector / public sector

soldier
common soldier / private soldier

theatricals
...theatricals / private theatricals

tuition
private tuition

view
a private view

war
private war

wire
private wire