Onomatopoeia is boom, hoot, moo and other words sounding their meanings out.
An orchestral opportunity is only offered to outstanding performers.
Is an ophthalmic optician an oculist?
Ordinary obstacles do not overwhelm older outdoor types.
Oak apples do not grow in an orchard, but on an oak tree.
An odd occurrence ought to be recorded for offspring.
Originally origami was oriental.
Orthopaedic surgeons operate on and osteopaths manipulate bones.
Oncology and obstetrics are on overhead notices in hospitals.
Outgoing organists may be outspoken or old-fashioned – or both!
Old one hundredth is the tune of “All people that on earth do dwell”.
God is omniscient, Lord of all.
He promises good things to those who obey Him. Deuteronomy 28:1-2