Oleander, Orchid
A few examples of 3-letter words starting with the letter O are:owloweoaroatown
Some six letter words starting with O are:objectoblongoccultocelotoddityoffendofficeorangeorioleorphanoverdooxygen
ocapa water plant
Octopus cactus is a prickly plant. It begins with the letter O.
insects starting with letters O X and Z
ivy (:
octos
Outstanding is a nice word. It begins with the letter O.
Only one country starts with the letter O, which is Oman.
The elements that start with the letter O are oxygen & Osmium.
Overcoat
OLDSMOBILE