Hush-hush and Privates

Hush-hush adjective - Not known or meant to be known by the general populace.

Privates and hush-hush are semantically related In some cases you can replace term "Privates" with "Hush-hush", this terms are similar.

Privates noun - External sex organ.

Hush-hush and privates are semantically related in personal topic. Sometimes you can use "Hush-hush" instead an adjective "Privates".