Gold 
(gōld)
(gōld) A trademark for a certification indicating that a recording, such as an album of music, has sold 500,000 copies.
- keep peace
- keep place
- keep powder dry
- keepsake
- keep shirt on
- keep (someone) company
- keep someone company
- keep tabs on
- keep the peace
- keep the wolf from the door
- keep time
- keep to
- keep to
- keep to (oneself)
- keep to oneself
- keep up
- keep wits about
- keep wits about one
- keeshond
- kef
- kef
- Kefallinía
- Kefallinía
- Kefauver
- keffiyeh