SUPPLEMENTARY 3

ROOT WORDS, PREFIXES AND SUFFIXES

PREFIX (before) / ROOT(core) / SUFFIX(after)
mis / use
use / less/ ful
en / joy / ment/ ful

*Notes: We can change the meaning of a word by putting something before or after the root.

Prefixes may create new words:immigrate,preoccupied

Prefixes may create antonyms: unfriendlydissatisfied

The following are commonly used prefixes that modify the words they precede

PREFIX MEANING / USAGE
aero air / aero planeaeronauticalaerodynamic
ante before / antenatalante-nuptial contract
anti against / anticlockwiseanti-nuclearantisocial
aqua water / aquariumaquamarine
auto self / autobiographyautographautomatic
bene good / benefactorbeneficialbenefit
bitwo, twice / bicyclebinocularbi-annual
circum around / circumferencecircumnavigate
cowith, together / co-pilotco-operatecollate
contra against / contradictcontravene
counter against / counteractcounterattack
deaway, down, remove / descendde-stressdecompose
dis not / disembarkdisengagedisarray
e out of / emitemigration
en take in / engulfenjoyendear
ex out of, previous, from / extractex-Presidentex-New Yorker
fore in front, before / foregroundforeseeforecast
hyper extreme, exaggerated / hypersensitivehypermarkethyperbole
in, im, ir, il not / insufficientimproperirregularilliterate
PREFIX MEANING / USAGE
mid middle / midwaymidribmidstream
mis not, incorrect / misunderstoodmisusage
mono one / monotonousmonologue
multi many / multiracialmultimillionaire
non not / non-toxicnon-believernonentity
poly many / polygamypolyclinic
post after / post warpostpone
pre before, in front / premeditatedprematureprefix
re again / rewindreapply
semi/hemi half / semi-circlesemi-conscioushemisphere
sub under / submarinesubdividesub-editor
tele at a distance / telephonetelevisiontelescope
trans across / transporttranslate
tri three / tricycletriangletrilogy
ultra extreme / ultra-sensitiveultrasonic;
un not / uninspiredunco-operativeunconventional

SUFFIXES

Insert the right suffixes into the spaces provided.

  1. A systems anal_____ studies organization_____ systems and decides what act_____ needs to be taken to maxim_____ efficien_____.
  1. A program____ designs, writes, and tests programmes for perform____ various tasks on a comput____.
  1. Laser print_____s are prefer_____ to other types of print_____ devices because of their speed and quite_____
  1. The microcomput_____ we have purchased does not have a FORTRAN compil____. It is program_____ in BASIC only.
  1. Spool____ is a way of stor____ data temporari ______on disk or tape until it can be process____ by another part of the system.
  2. The number of ship____s will increase over the com____ months.
  1. We decided to computer____ the entire planet to give each divis____ more independ____.
  1. We have found that operat_____s who have the freedom to take short breaks during the day great____ improve their perform_____.
  1. Turn____ your office into a paper____ environ____ may be expens____ at the beginning, but can produce big sav____s in the long run.
  1. Software develop ____s are produc____ increasing____ sophisticat____ applicat_____s for a grow____ glob____ market.

PREFIXES

Insert the right prefixesinto the spaces provided

  1. You will receive a ____-annual bonus (twice a year) if you get this job.
  1. If a printer ____functions, you should check the ____face cable
  1. Most people prefer a colour screen to a _____chrome screen.
  1. ____proper installation of the ____glare shield will make it ____possible to read what is on the screen
  1. A ____byte equals approximately one million bytes.
  1. You can ____mize your chances of finding a job if you are ____lingual or even____lingual
  1. ____pheral devices can be either ____put devices (such as keyboards) or ____put devices (such as printers).
  1. Floppy disks are ____expensive and ____useable.
  1. The introduction of _____conductor technology revolutionized the computer industry.
  1. As the results are ____ regular, the programme will have to be _____ written

PREFIXES & SUFFIXES

Complete the table with the correct form of the word. If you are not sure of the correct form, check your dictionary.

Noun / Verb / Adjective / Adverb
imagination
complete
convincing
excel
satisfactorily
excess
repeated
consideration
succeed
comparatively
separate
persuade
decisively
competitive

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