101.) Osteo: – Bone
Osteoarthritis: – inflammation caused by degeneration of the joints
Osteopathy: – therapy that uses among others manipulation of the skeleton to restore health
Osteology: – the study of bones
102.) Out: – Goes beyond, surpasses, exceeds
Outgoing: – being of lively, sharing nature
Outdoing: – doing better than
Outdoor: – outside
103.) Over: – Excessive
Overconfident: – more confident than is appropriate
Overstock: – more supplies than is desirable
Overexcited: – more excited than one should be
104.) Oxy: – Sharp
Oxymoron: – combining two ideas that sharply contradict other
Oxidize: – corrode a surface
105.) Pale/o: – Ancient
Palaeontology: – study of ancient fossils
Palaeography: – the study of ancient forms of writing
Palaeolithic: – period of the Stone Age
106.) Pan: – All, any, everyone
Panacea: – a cure for all diseases or problems
Panorama: – an all- around view
Pantheism: – the worship of all gods
Pandemic: – affecting all
107.) Para: – Besides, beyond, abnormal, assistant
Parasite: – an organism that lives on and off another living being
Parallel: – alongside and always an equal distance apart
Paragraph: – a portion of a written document that presents a distinct idea
108.) Para: – Protection from
Parachute: – protection from failing
Parasol: – an umbrella used to protect from the sun
109.) Pater/patri: – Father
Paternal: – related to father
Paternity: – Fatherhood
Patriarchy: – a system (a family/society) which is run by the male head (father) of the family
Patriot: – one who love his nation (the word actually originated from Germany where they call their nation as fatherland instead of motherland as in our country)
Compatriot: – people who belong to the same nation & live together
Expatriate: – people who share the same origin but are currently living in some other nation
110.) Path: – Feeling, emotion
Antipathy: – a feeling of great dislike
Apathy: – a lack of feeling or interest
Empathy: – ability to understand another’s feelings
111.) Pel: – Drive, force
Compel: – to force someone to act
Expel: – to drive someone out of a place
Repel: – to force back
112.) Per: – Through, throughout
Permanent: – lasting throughout all time
Permeate: – to spread throughout
Persist: – to continue for a long time
Perennial: – lasting through many years
113.) Peri: – Around, enclosing
Periodontal: – pertaining to bone and tissue around a tooth
Peripheral: – lying outside of the center
Perimeter: – the outer boundary of an area
114.) Phag/e: – To eat
Esophagus: – muscular tube that carries food to the stomach
Anthropophagy or Sarcophagi: – Cannibalism
Xylophagous: – feeding on wood
115.) Phobia: – Fear or dislike
Zoophobia: – zoo+phobia means fear of animal
Androphobia: – Andro means boys/male so androphobia means the one who don’t like boys.
Gynophobia: – Gyno means girl / women so gynophobia means the one who don’t like girls
Pedophobia: – Pedo means child so pedophobia is the one who don’t like children’s.
Demophobia: – demo means people so demophobia means the one who fear of public speaking.
Anthropophobia: – anthro means human being so anthropophobia mean fear of human being or the one who don’t like the company of human being or in simple word aloof (living alone)
Theophobia: – theo+phobia means fear of religion
116.) Phony: – Sound
Cacophony: – loud, unpleasant sound
Microphone: – a device that record and amplifies sound
Phonetic: – relating human speech sound
117.) Phys: – Nature, medicine, the body
Physical: – relating to the body
Physician: – a doctor
Physique: – nature and shape of one’s body
118.) Phyt: – A plant to produce
Epiphyte: – a plant growing independently on the surface of another
Hydrophytes: – a plant that grows only in water
Neophyte: – a beginner, especially a person recently converted to a new belief
119.) Pod: – Foot
Podiatrist: – a doctor for the feet
Podium: – a small platform to stand on
Tripod: – a stand or frame with three legs
120.) Poli: – City
Metropolis: – a large city
Politics: – actions of a government or political party
121.) Poly: – Many, more than one
Polychrome: – with many colours
Polyglot: – a person fluent in many languages
Polygon: – shape with 3 or more straight sides
122.) Pon: – People
Popular: – appealing to a lot of people
Population: – all of the people who live in a particular area
Populist: – a supporter of the rights of people
123.) Port: – Carry
Export: – to carry goods out of a place to another
Portable: – able to be carried
Porter: – a person who carries luggage
124.) Pos: – Place, put
Deposit: – to place or drop something
Expose: – to place out into the open for all to see
Position: – the place where someone is
125.) Post: – After, behind
Posthumous: – after someone’s death
Postpone: – to get ready in advance
Postscript: – an addition to an already completed document
126.) Pre: – Earlier, before, in front of
Preamble: – a part in front of a formal document
Prepare: – to get ready in advance
127.) Pro: – Before, in front of, for, forward
Prognosis: – a prediction of what will happen
Prologue: – a passage before the main part
Prophet: – a person who foretells the future
128.) Prot: – Primitive, first, chief
Prototype: – the first of a kind
Proton: – on of the very basic parts of an atom
Protocol: – a first draft from which a document is prepared
129.) Pseudo: – Wrong/false
Pseudonym: – a fictitious name
Pseudoscience: – theories presumed without proof of a scientific nature
Pseudo pregnancy: – a false pregnancy
130.) Psych: – Mind, mental
Psyche: – the human spirit or soul
Psychic: – relating to the human mind or someone who has super natural abilities
Psychology: – the study of mind
131.) Pugn/a, pung: – To fight
Pugnacious: – having a quarrelsome or aggressive nature
Repugnant: – distasteful, offensive or revolting
Pungent: – piercing
132.) Pul: – Urge
Compulsion: – a very strong urge
Expulsion: – to kick someone out
Impulsive: – having a spontaneous urge to do something
133.) Purg: – Clean
Purge: – abolition, abstersion, catharsis, clarification, cleaning, cleanup, coup, crushing, disposal, disposition
134.) Put: – Think
Computer: – an electronic thinking device
Dispute: – to disagree with what another person thinks
Input: – contribution of one’s thinking
135.) Pyr/o: – Fire, heat
Pyrotechnics: – the art of making fireworks
Pyrometer: – a thermometer for measuring high temperature
Pyretic: – relating to or producing fever
136.) Quart: – Fourth
Quarter: – One fourth
Quart: – a fourth of a gallon
Quartet: – a musical composition or group involving 4 voices or instruments
137.) Radic/radix: – Root
Eradicate: – pull out at the root
Radical: – fundamental, looking at things from a drastic point of view
Radish: – an edible root of the mustard family
139.) Radio: – Radiation, ray
Radioactive: – emitting radiation
Radiologist: – someone diagnosing or treating via radiation
140.) Ram/i: – Branch
Ramification: – the resulting consequence of decision
Ramify: – to spread or branch out
Ramous: – a branchlike part
141.) Reg: – Guide, rule
Regent: – a person who rules on behalf of a king or queen i.e. governor, minister, viceroy etc
Regime: – a government that rules
Regulate: – to apply a rule
142.) Retro: – Backward, back
Retroactive: – relating to something in the past
Retrogress: – to go back to an earlier condition
Retrospect: – the remembering of past events





