obscene
Onus
j-o-k-i-n-g?
person
oblong; such as an oval or rectangle
obi
Offers?
obscene
One option is the word officials.
Owing
Obliging is a synonym for obedient. It begins with O.
Octave
Overalls and overcoat begin with O. An obi is part of traditional Japanese dress. It is a sash that is word around the waist of a kimono.
Origin
The Maori word for talk starting with a "k" and ending with an "o" is "kลrero."
overcoatovershoesobi (kimono sash)
another word for chasm that begins with o omission opening oversight