1. ROOT WORDS What are root words? Words originating from Latin (ancient Rome) and Greek. Why is it important to learn root words? Almost every word in English has root words, so this makes it easier to understand a new word and remember how to spell them.

2. Root wordaer-, aero- OriginGreek MeaningAir, atmosphere ExampleAeronautics

3. Root wordagri- OriginGreek and Latin MeaningField ExampleAgriculture

4. Root wordanima- OriginLatin MeaningBreathe ExampleAnimal

5. Root wordann- OriginLatin MeaningYear, yearly ExampleAnnual

6. Root wordaqu- OriginLatin MeaningWater ExampleAquarium

7. Root wordastro- OriginGreek MeaningStar ExampleAstronomy

8. Root wordaud OriginLatin MeaningHearing, listening, sound ExampleAuditorium

9. Root wordauto OriginGreek MeaningSelf ExampleAutomobile

10. Root wordavi- OriginLatin MeaningBird ExampleAviation

11. Root wordbi- OriginLatin MeaningTwo ExampleBicycle

12. Root wordbi(o)- OriginGreek MeaningLife ExampleBiology

13. Root wordcap- OriginLatin MeaningHold, take Example Capture

14. Root wordcent- OriginLatin MeaningHundred ExampleCentury

15. Root wordclar- OriginLatin MeaningClear ExampleClarity

16. Root wordcon- OriginLatin Meaningwith Exampleconnect

17. Root wordcycl OriginGreek MeaningRound ExampleBicycle

18. Root wordde- OriginLatin MeaningFrom, away from ExampleDelete

19. Root worddem- OriginGreek MeaningPeople ExampleDemocracy

20. Root worddict- OriginLatin MeaningSay, speak ExampleDictation

21. Root worddigit- OriginLatin MeaningFinger ExampleDigital

22. Root worddorm- OriginLatin MeaningSleep ExampleDormitory

23. Root wordeco- OriginGreek MeaningHouse ExampleEcology

24. Root wordform- OriginLatin MeaningShape ExampleFormation

25. Root wordfrig- OriginLatin MeaningCold ExampleFrigid

26. Root wordge(o)- OriginGreek MeaningEarth ExampleGeology

27. Root wordgraph- OriginGreek MeaningDraw, write ExampleGraphic

28. Root wordhex- OriginGreek MeaningSix ExampleHexagon

29. Root wordhydr(o)- OriginGreek MeaningWater ExampleHydroponic

30. Root wordjuven- OriginLatin MeaningYoung ExampleJuvenile

31. Root wordkil(o)- OriginGreek MeaningThousand ExampleKilogram

32. Root wordleg- OriginLatin MeaningLaw ExampleLegal

33. Root wordliber- OriginLatin MeaningFree ExampleLiberation

34. Root wordmanu- OriginLatin MeaningHand ExampleManual

35. Root wordnov- OriginLatin MeaningNine ExampleNovember

36. Root wordnumer- OriginLatin MeaningNumber ExampleNumeral

37. Root wordoct- OriginLatin and Greek MeaningEight ExampleOctangular

38. Root wordpent- OriginGreek MeaningFive ExamplePentagon

39. Root wordphob(ia)- OriginGreek MeaningFear ExampleHydrophobia

40. Root wordphos-, phot- OriginGreek MeaningLight ExamplePhotograph

41. Root wordphys- OriginGreek MeaningNature ExamplePhysics

42. Root wordpre- OriginLatin MeaningBefore ExamplePrevious

43. Root wordpseud(o)- OriginGreek MeaningFalse ExamplePseudonym

44. Root wordpyr(o)- OriginGreek MeaningHeat, fire ExamplePyrolysis

45. Root wordquadr- OriginLatin MeaningFour ExampleQuadrangle

46. Root wordquint- OriginLatin MeaningFifth ExampleQuintary

47. Root wordre- OriginLatin MeaningAgain, back ExampleRecede

48. Root wordsept- OriginLatin MeaningSeven ExampleSeptember

49. Root wordserv- OriginLatin Meaning Save, protect, serve ExampleConservation

50. Root wordterr- OriginLatin MeaningDry land, earth ExampleTerrain

51. Root wordtri- OriginLatin and Greek MeaningThree ExampleTriangle

52. Using root words guess what the meaning of these words.

53. “Dynamics” is used in physics to describe the process of how things work. Aerodynamics Hydrodynamics Air Water

54. What does biofuel mean? Fuel made from living organisms such as corn, sugar and plants.

55. What does animation mean? Cartoon

56. This rose is dormant. What does this mean? Sleeping; when organisms development stop, such as during winter.

57. Two babies born together are twins, but what are three babies born together? Triplets

58. What are four babies called? Quadruplets What are five babies called? Quintuplets

59. Two offspring – twins Three offspring – triplets Four offspring – quadruplets Five offspring – quintuplets Six offspring – sextuplets Seven offspring – septuplets Eight offspring – octuplets Nine offspring – nonuplets Ten offspring – decaplets Eleven offspring – undecaplets Twelve offspring – duodecaplets Thirteen offspring – tredecaplets Fourteen offspring – quattrodecaplets Fifteen offspring – quindecaplets Sixteen offspring – sexdecaplets Seventeen offspring – sepdecaplets Eighteen offspring – octdecaplets Nineteen offspring – nondecaplets

60. A “maniac” is derived from Greek meaning “crazy person” What is a pyromaniac? Anyone that is dangerously crazy with fire.

61. Rejuvenate What does this word mean? To make young again; restore to youthful vigor

62. What is a dictator? A person exercising absolute power, esp. a ruler who has absolute, unrestricted control in a government without hereditary succession.