1.                           particular (adj.) مفرد ، مستقل – This adjective is always used in front of a noun.

One particular student, whom I won’t name, is not doing his homework.

2.                           peak (v.) يبلغ الذروة – to reach the highest value, level, rate, etc.

Her temperature peaked at 39Ί.

3.                           peculiar (adj.) خاص ، مميز – characteristic of

A bitter smell is peculiar to that type of poison.

4.                           peculiar (adj.) غريب – odd, strange

He is a peculiar person

5.                           perception (n.), perceive (v.) ملاحظة ، الإدراك الحسي – awareness

There is something wrong with his perception of the problem.

6.                           perception (n.), perceive (v.) رأي – opinion

My perception is different than yours.

7.                           perplex (v.), perplexing (adj.) يعقد– puzzle, bewilder, confuse, confound, baffle

The data perplexes me.

8.                           persist (v.), persistence (n.) يواظب – continue

You should see a doctor if your fever  persists.

9.                           population (n.), populate (v.), populated (adj.) سكان – inhabitants, residents

Good healthcare results in a healthy population.

10.                     position (n.), position (v.) موقع، موضع – the place where something is or should be; opinion

That specimen is in the wrong position.

11.                     position (n.) موقف – opinion

His position is that we should start again.

12.                     predisposition (n.), predispose (v.)  ميل، نزعه – tendency, inclination

A genetic predisposition may cause autism.

13.                     prey on (v.) يعيش على ، يتغذى ب – feed on, live off of

Some bacteria prey on other bacteria.

14.                     private (adj.) – personal

His life as a movie star is different than his personal life.

15.                     professional (n.) محترف – someone who works in a job that requires special education and training

Dentists and pharmacists are professionals.

16.                     progress (v.), progression (n.) يتطور – advance, grow

As the disease progresses, the symptoms increase.

17.                     progressively  تدريجيا – gradually

His condition progressively worsened.

18.                     proper مناسب – right, suitable, correct

I put the book in its proper place.

19.                     proposed (adj.), propose (v.), proposal (n.) نوى ، اعتزم – recommend, suggest

The proposed treatment is heart surgery.

20.                     public (n.), public (adj.)  شعبي، عام  – community, general population; open

The public has a right to know the truth.

She left her purse in a public area.

21.                     pulse (n.)  نبضه – heartbeat

The nurse took the patient’s pulse.

22.                     rash (n.) طفح جلدي – irritation, inflammation

 She had a rash on her arms.

23.                     range (v.), range (n.)  متغير – vary, extend

Their TOEFL scores ranged from 500 to 550.

24.                     ravage (v.)  يتلف – damage severely

The disease ravages the immune system.

25.                     reality (n.) الحقيقة  – actuality

Reality is people do not have wings, so they cannot fly.

26.                     recognized (adj.), recognize (v.) يميز، يتعرف - accepted

That is not the recognized way to do that.

27.                     recurrence (n.), recur (v.) عوده – reappearance, return

The recurrence of plague is a possibility.

28.                     refer (v.), reference (n.) يرجع إلى – to be associated with; to send to someone for information, help, etc.

The term neoplasia refers to cancer.

The man was referred to Dr. Faisal for treatment.

29.                     regard (v.) يحترم – consider

Mohammed regards this issue as being very important.

30.                     relate (v.), related (adj.) يتعلق أو يرتبط بشيء ما – link, associate

The increase in lung cancer in women is related to the increasing number of female smokers.

31.                     related متصل ب – kinned

She is related to my family.

32.                     replicate (v.), replication (n.) – duplicate, copy, imitate

The mutant cell replicates itself. 

33.                     residue (n.) الفضلة – deposit

There was a brown residue in the empty beaker.

34.                     resistant (adj.), resist (v.), resistance (n.) مقاوم – not harmed by

This watch is water resistant.

35.                     resistant (adj.), resist (v.), resistance (n.) مقاوم – opposed to

She is resistant to change.

36.                     restore (v.), restoration (n.) يعيد – bring back (to the original condition), return (to the original condition)

The patient will restore his health by following a new diet.

37.                     rotated (adj.), rotate (v.), rotation (n.) يدور على محور أو مركز – revolve, spin

The earth rotates around the sun.

38.                     rule out (v.) يستبد، تشتي – eliminate

Heredity has been ruled out as a cause of the disease.