O (98)

The index menu of the letter O.

Key words: O, Owe

Topics from our world ...

Oak (12) The oak trees.
Oat (11) Eat oats.
Obedient (6) He was obedient.
Object (48) All the objects.
Objection (6) We have an objection to it.
Objective (8) The primary objectives.
Obligation (10) We have an obligation to do it.
Oblique (7) It is oblique.
Obscure (7) It was obscure.
Observation (27) It was just an observation.
Observe (8) They observed it carefully.
Observer (6) The observers are watching.
Obsess (9) Obsess.
Obstacle (11) You need to overcome all of the obstacles.
Obstruct (22) The large obstructions are in the way.
Obstruction (15) The obstructions are blocking the path.
Obvious (11) It is obvious for everyone to see.
Occlusion (6) The occlusion blockage.
Occupation (216) All of the occupations.
Occupational (7) It is occupational.
Ocean (31) The oceans.
Octyl (25) Octyl.
Ocular (11) The ocular.
Odd (6) It is odd.
Odor (33) All the bad odors.
Offend (6) We do not want to offend anyone.
Offense (9) The offenses were a crime.
Offensive (6) It was offensive.
Offer (21) The offers.
Offering (17) The offerings.
Office (58) The business office buildings.
Officer (26) The officers.
Official (16) It is official.
Ohio (69) The state of Ohio, USA.
Oil (237) The oils.
Ointment (12) The ointments.
Oklahoma (19) The state of Oklahoma, USA.
Old (38) It is very old.
Oleate (8) Oleate.
Olive (23) Eat some olives #808000.
Oncology (6) The oncology.
One (24) The number one (1).
Onion (22) Onions make me cry.
Online (41) We are online.
Ontario (31) Ontario, Canada.
Open (76) It is now open.
Opening (7) The openings.
Opera (28) Sing an opera.
Operating (14) They are operating.

Operation (10) The operations.
Operator (8) The operators.
Ophthalmologist (6) The ophthalmologists see clearly.
Opinion (21) Everyone seems to have their own opinions.
Opioid (7) The opioids are addictive drugs.
Opportunity (11) It was an opportunity.
Opposite (7) Do the opposite thing.
Opposition (8) The opposition.
Optic (36) The optics.
Optical (21) It is optical.
Option (15) We have some options.
Oral (29) Oral.
Orange (45) Eat an orange.
Orbit (21) The orbit.
Orchard (9) The orchards.
Order (35) It was an order, and not a suggestion.
Ordinary (7) It is ordinary.
Ore (12) The ore.
Oregon (22) The state of Oregon, USA.
Organ (62) The organs.
Organic (41) It is organic.
Organism (13) All the organisms.
Organization (16) The organizations.
Organize (15) We will organize it.
Orient (25) The Orient.
Orientation (10) The orientation.
Oriented (7) Oriented.
Original (8) It is an original.
Ornament (16) The Christmas tree ornaments.
Ornamental (8) The ornamental.
Orpha (7) Orpha.
Ortho (37) Ortho.
Orthodox (13) The orthodox.
Osteoarthritis (8) The common osteoarthritis (OA) degenerative joint disorder.
Outbreak (7) There was an outbreak.
Outdoor (36) The great outdoors.
Outlet (10) The outlets.
Output (7) The output.
Outside (34) Go outside for a walk.
Oven (28) We bake food in the hot ovens.
Overdose (7) It was a drug overdose.
Overflow (11) The overflow may cause a flood.
Overnight (7) They plan to stay overnight.
Overt (16) Overt.
Overweight (7) Most overweight people are too fat.
Owner (20) He is the owner.
Oxidase (11) Oxidase.
Oxide (49) All of the oxide compounds.
Oxygen (25) Oxygen is required for life.

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