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