ROOT WORDS, PREFIXES AND SUFFIXES

SUPPLEMENTARY 3ROOT WORDS, PREFIXES AND SUFFIXES

PREFIX (before)ROOT(core)SUFFIX(after)

misuse

useless/ ful

enjoyment/ ful

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

Prefixes may create new words: immigrate,preoccupiedPrefixes may create antonyms: unfriendly dissatisfiedThe 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_____. 2. A program____ designs, writes, and tests programmes for perform____ various tasks on a comput____.3. Laser print_____s are prefer_____ to other types of print_____ devices because of their speed and quite_____4. The microcomput_____ we have purchased does not have a FORTRAN compil____. It is program_____ in BASIC only.5. Spool____ is a way of stor____ data temporari ______on disk or tape until it can be process____ by another part of the system.6. The number of ship____s will increase over the com____ months. 7. We decided to computer____ the entire planet to give each divis____ more independ____.8. We have found that operat_____s who have the freedom to take short breaks during the day great____ improve their perform_____. 9. Turn____ your office into a paper____ environ____ may be expens____ at the beginning, but can produce big sav____s in the long run. 10. Software develop ____s are produc____ increasing____ sophisticat____ applicat_____s for a grow____ glob____ market.

PREFIXES

Insert the right prefixes into the spaces provided1. You will receive a ____-annual bonus (twice a year) if you get this job.2. If a printer ____functions, you should check the ____face cable 3. Most people prefer a colour screen to a _____chrome screen.4. ____proper installation of the ____glare shield will make it ____possible to read what is on the screen 5. A ____byte equals approximately one million bytes. 6. You can ____mize your chances of finding a job if you are ____lingual or even____lingual 7. ____pheral devices can be either ____put devices (such as keyboards) or ____put devices (such as printers). 8. Floppy disks are ____expensive and ____useable.9. The introduction of _____conductor technology revolutionized the computer industry.10. 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.

NounVerbAdjectiveAdverb

imagination

complete

convincing

excel

satisfactorily

excess

repeated

consideration

succeed

comparatively

separate

persuade

decisively

competitive

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