Olive, Oleander, Orange, Ox-Eye Daisy, Orchid...
· Ocotillo · Oleander Oxalis and Orobanche
Ocelot, orangutan and owls are jungle animals. They begin with the letter o.
over and under
odalisque
oriole
Otto comes to mind.
orlop
osier
Obediah?!
Orc, Olog-hai
A few examples of 3-letter words starting with the letter O are:owloweoaroatown
Some six letter words starting with O are:objectoblongoccultocelotoddityoffendofficeorangeorioleorphanoverdooxygen