This document discusses root words, base words, prefixes, and suffixes. It explains that root words and base words form the core of a word and prefixes and suffixes can be added to change the meaning. Many examples of common prefixes and suffixes are provided along with their meanings such as "un-" meaning "not" and "-able" meaning "able to." Roots from various languages are also explained, such as "chron" meaning "time" and "bio" meaning "life." The document serves as an introduction to word structures and origins.

1. A Presentation Created by
TEACHERS UNLEASHED

2. Root words and Base words
• Root Words and Base Words are the
same.
• Root words and base words are the most
basic part of a word.
• If you add an affix to a root or base word
you change the meaning of the word.
“Cook” is a base
word.

3. Affixes
• Affixes are word parts that change the
meaning of a root or base word.
• Prefixes and Suffixes are both Affixes.
un+cook+ed=uncooked
Affix
Affix

4. Prefixes
• Prefixes are word parts (affixes) that
comes at the beginning of the root word
or base word.
un+cook+ed=uncooked
Prefix
Affix

5. Suffix
• Suffixes are word parts (affixes) that come
at the end of the root word or base word.
un+cook+ed=uncooked
Prefix
Suffix

6. Prefix: im-
Meaning: not
Examples:
impossible impolite

7. Prefix: in
Meaning: not
Examples:
invisible
infamous

8. Prefix: non
Meaning: not
Examples:
non-stop non-stick

9. Prefix: dis
Meaning: not
Examples:
disorganized disobey

10. Prefix: mis
Meaning: wrong
Examples:
misread misspell
I kan spell gud.

11. Prefix: un
Meaning: not
Examples:
unlucky unbelievable

12. Prefix: over
Meaning: Too much
Examples:
overcooked overdramatic

13. Prefix: under
Meaning: beneath, under
Examples:
underwear underwater

14. Prefix: re
Meaning: to do again
Examples:
recycle recount

15. Prefix: pre
Meaning: before
Examples:
preview preschool

16. Prefix: sub
Meaning: under
Examples:
subordinate submarine

17. Prefix: super
Meaning: above, over
Examples:
superhuman supermarket

18. Prefix: inter
Meaning: between
Examples:
intervene interstate

19. Prefix: fore
Meaning: before
Examples:
forecast foresee

20. Prefix: de
Meaning: down, away
Examples:
descend degrade

21. Prefix: trans
Meaning: To move
Examples:
transfer transportation

22. Prefix: semi
Meaning: incomplete, half
Examples:
semicircle semi-formal

23. Prefix: mid
Meaning: In the middle
Example:
midpoint

24. Prefix: hemi
Meaning: half
Example:
hemisphere

25. Prefix: pro
Meaning: for, forward
Examples:
promotion protest

26. Prefix: con
Meaning: with, together
Examples:
connect confide

27. Prefix: com
Meaning: together
Examples:
community communicate

28. Prefix: ex
Meaning: Out of, from
Examples:
exit exhale

29. Prefix: co
Meaning: together
Examples:
co-pilot cooperate

30. Prefix: multi
Meaning: many
Examples:
multicolored multivitamin

31. Prefix: poly
Meaning: many
Example:
polygon

32. Prefix: uni
Meaning: one
Examples:
unicycle universal

33. Prefix: quad
Meaning: four
Example:
quadrilateral

34. Prefix: tri
Meaning: three
Examples:
trimester
tricycle

35. Prefix: milli
Meaning: thousand
Examples:
million millipede

36. Prefix: centi
Meaning: hundred
Examples:
century centimeter
100
years

37. Suffix: er
Meaning: one who takes part in
Examples:
teacher driver

38. Suffix: est
Meaning: the most
Examples:
smallest strongest

39. Suffix: ed
Meaning: to have done
Examples:
played raced

40. Suffix: ing
Meaning: to be doing
Examples:
singing dancing

41. Suffix: ly
Meaning: like
Examples:
cowardly happily

42. Suffix: ion, tion
Meaning: action
Example:
construction

43. Suffix: able, ible
Meaning: to be able to
Examples:
readable cleanable

44. Suffix: ness
Meaning: the state of
Examples:
happiness craziness

45. Suffix: ment
Meaning: the feeling of
Examples:
contentment refreshment

46. Suffix: ous, ious, eous
Meaning: having the quality of
Examples:
adventurous curious

47. Suffix: Ive, ative, tive
Meaning: condition
Examples:
creative sensitive

48. Suffix: ful
Meaning: to be full of
Examples:
thankful peaceful

49. Suffix: less
Meaning: without
Examples:
thoughtless helpless

50. Root: chron
Meaning: time
Examples:
chronologic synchronize chronic

51. Root: gen
Meaning: birth/race
Example:
generation

52. Root: rupt
Meaning: break
Examples:
rupture erupt

53. Root: tele
Meaning: distance
Examples:
television telephone telegraph

54. Root: migr
Meaning: change/move
Examples:
migrate migrating

55. Root: spect
Meaning: see
Examples:
inspect suspect spectator

56. Root: sign
Meaning: mark
Examples:
signal signature

57. Root: therm
Meaning: heat
Examples:
thermal thermometer thermostat

58. Root: graph
Meaning: write
Examples:
photograph autograph biography

59. Root: scop
Meaning:see
Examples:
microscope telescope

60. Root: loc
Meaning: place
Examples:
location local

61. Root: form
Meaning: shape
Examples:
uniform transform

62. Suffix: ast
Meaning: star
Examples:
astronaut astronomy asteroid

63. Suffix: opt
Meaning: sight
Examples:
optical optometrist

64. Root: liber
Meaning: free
Example:
liberty

65. Root: bio
Meaning: life
Examples:
biology biography

66. Root: flect/flex
Meaning: bend
Examples:
reflection flexible

67. Root: hydr
Meaning: water
Examples:
hydrant dehydrate

68. Root: geo
Meaning: earth
Examples:
geography geology

69. Root: aud
Meaning: to hear
Examples:
audience audible