1. use : reuse , useful , useable , using , used
2. employ : employer , employee , employment , disemploy , employable
3. manage : managers , managery , managerial , manageability , manageable
4. beauty : beautify , beautiful , beautician , beauteous , beautification
5. faith : faithless , faithful , faith healer , faithfulness , faithcure
Exercise 2. Try to break out the following words into the roots, prefixes, and suffixes. First is done for you.
1. disappointment : R = appoint , P = dis , S = ment
2. retroactive : R = act , P = retro , S = ive
3. ultraviolet : R = violet ,P = ultra
4. methods : R = hod , P = met , S = s
5. unabashed : R = abash , P = un , S = ed
6. autochanger : R = change , P = auto , S = er
Exercise 3. try to build up youmwords from the given prefixes. If you are not sure, use the dictionary to find the words and theirmeanings
1. tri - ( three )
7. thermometer : R = met , P = thermo , S = er
8. unbelievable : R = believe , P = un , S = able
9. employment : R = ploy , P = em , S = ment
1. tri - ( three )
triad
triangular
triangular
trilocular
trilingual
trilingual
triennial
trident
2. muti - (มากมาย)
multilingual
multinational
mutiform
muti-coloured
multi millionaire
mutifarions
3. peri - (รอบ,โอบล้อม)
pericardium
pericarp
perimeter
periphery
perineum
pericolpitis
4. semi - (กึ่ง,ครึ่ง)
semicircle
semiconductor
semiyearly
semitropical
semivowel
semi-automatic
ที่มา: http://www.etymonline.com/
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