6th. Grade Spelling List No. 10             

                    Main Spelling List

 6th Grade Spelling List           6th Grade Spelling List No. 9           6th Grade Spelling List No. 11
 

ROOTS            The Greek roots hydr, hydro mean "water." 

                        The Latin root grat means "pleasing, thankful."

1.       dehydrate            to remove water from v.

2.       hydrant                   a water spout; fireplug n.

3.       hydrogen                the most abundant element; water is two-thirds hydrogen n.

4.       hydrophobia       an abnormal fear of water n.

5.       hydroelectric         producing electricity by water power adj.

6.       congratulate       to express pleasure over someone's success v.

7.       grateful                 thankful adj.

8.       gracious              courteous and kind adj.

9.       ingrate                   an unthankful person n.

10.    gratitude                  thankfulness n.

PREFIXES    The prefix re- means "back, again."

11.    reclaim                to take back v.

12.    retrace                 to draw over again v.

13.    renovate            to make like new again v.

14.    reject                  to cast off v.

15.    reassure            to encourage v.

16.    restore                to bring back or establish again v.

17.    revise                 to read over carefully and improve v.

18.    reverse               to turn around or back v.

19.    reserve              to set apart for later or some special purpose v.

20.    reorganize          to rearrange in an orderly way v.

 

21.    rebuild                 to construct again v.

22.    repossess          to reclaim something not paid for v.

SUFFIXES       The suffix -ory means "like, pertaining to" when it is used to form adjectives.

                        The suffix -ory means "place where, thing which" when it is used to form a noun.

23,    contradictory   opposite; contrary adj.

24.    exclamatory        showing sudden or strong feeling adj.

25.    explanatory         useful for explaining adj.

26.    circulatory           moving in a circle adj.

27.,    satisfactory     adequate; good enough to fulfill the need adj.

28.    predatory          living by feeding upon other animals adj.

29.    depository          a place where things are put for safekeeping n.

30.    dormitory            a building where students live and sleep n.

31.    laboratory           a room where scientific work is done n.

32.    directory           a list of names and addresses n.

33.    territory               a large tract of land n.

34.    observatory     a building for observing planets and starts n.

35.    conservatory      a private greenhouse; a school of music or art n.