on vacation | met vakantie |
On your mark | Egards |
On-Board Diagnostics | OBD |
on-line | on line |
On-Line Encyclopedia of Integer Sequences | On-Line Encyclopedia of Integer Sequences |
On-topic | Internetforum |
Onagraceae | Teunisbloemfamilie |
Onani | Onani |
onanism | masturbatie |
once | wanneer |
once again | opnieuw |