# 6.4. 常见词根词缀
英文的词根大多来自拉丁语;而常用词缀,包括前缀和后缀 —— 它们都是表意的。
## 6.4.1. 常见前缀
1. **un-** (not, opposite of)
* unhappy ʌnˈhæp.i
* unknown ʌnˈnoʊn
* unusual ʌnˈjuː.ʒu.əl
2. **re-** (again, back)
* redo riːˈduː
* review rɪˈvjuː
* return rɪˈtɝːn
3. **in-** (not, into)
* incomplete ˌɪn.kəmˈpliːt
* invisible ɪnˈvɪz.ə.bəl
* inside ɪnˈsaɪd
4. **dis-** (not, opposite of)
* disagree ˌdɪs.əˈɡriː
* disappear ˌdɪs.əˈpɪr
* disconnect ˌdɪs.kəˈnekt
5. **pre-** (before)
* preview ˈpriː.vjuː
* predict prɪˈdɪkt
* preschool ˈpriː.skuːl
6. **mis-** (wrongly)
* misunderstand ˌmɪs.ʌn.dɚˈstænd
* misplace ˌmɪsˈpleɪs
* mislead ˌmɪsˈliːd
7. **non-** (not)
* nonstick ˌnɑːnˈstɪk
* nonprofit nɑnˈprɑf·ɪt
* nonviolent ˌnɑːnˈvaɪə.lənt
8. **over-** (too much)
* overeat ˌoʊ.vɚˈiːt
* overwork ˌoʊ.vɚˈwɝːk
* overheat ˌoʊ.vɚˈhiːt
9. **sub-** (under)
* submarine ˌsʌb.məˈriːn
* subtitle ˈsʌbˌtaɪ.t̬əl
* subconscious ˌsʌbˈkɑːn.ʃəs
10. **inter-** (between, among)
* international ˌɪn.t̬ɚˈnæʃ.ən.əl
* interact ˌɪn.t̬ɚˈækt
* interrupt ˌɪn.t̬əˈrʌpt
11. **trans-** (across, beyond)
* transport ˈtræn.spɔːrt
* transfer ˈtræns.fɝː
* transform trænsˈfɔːrm
12. **under-** (too little, below)
* underpaid ˌʌn.dɚˈpeɪd
* underestimate ˌʌn.dɚˈes.tə.meɪt
* underground ˌʌn.dɚˈɡraʊnd
13. **super-** (above, beyond)
* superhuman ˌsuː.pɚˈhjuː.mən
* supermarket ˈsuː.pɚˌmɑːr.kɪt
* supervisor ˈsuː.pɚ.vaɪ.zɚ
14. **semi-** (half, partly)
* semicircle ˈsem.iˌsɝː.kəl
* semifinal ˌsem.iˈfaɪ.nəl
* semiconscious ˌsem.aɪ.ˈkɑːn.ʃəs/
15. **anti-** (against)
* antibiotic ˌæn.t̬i.baɪˈɑː.t̬ɪk
* antifreeze ˈæn.t̬i.friːz
* antisocial ˌæn.t̬iˈsoʊ.ʃəl
16. **de-** (down, away from)
* devalue ˌdiːˈvæl.juː
* defrost ˌdiːˈfrɑːst
* decode diːˈkoʊd
17. **en-** (make, put into)
* enable ɪˈneɪ.bəl
* enrich ɪnˈrɪtʃ
* encourage ɪnˈkɝː.ɪdʒ
18. **em-** (cause to)
* empower -ˈpaʊr
* embrace ɪmˈbreɪs
* employ ɪmˈplɔɪ
19. **non-** (not)
* nonexistent ˌnɑn·ɪɡˈzɪs·tənt
* nonsense ˈnɑːn.sens
* nonprofit nɑnˈprɑf·ɪt
20. **mid-** (middle)
* midnight ˈmɪd.naɪt
* midterm ˈmɪd.tɝːm
* midfield ˈmɪd.fiːld
## 6.4.2. 常见后缀
1. **-able** (capable of)
* readable ˈriː.də.bəl
* manageable ˈmæn.ə.dʒə.bəl
* comfortable ˈkʌm.fɚ.t̬ə.bəl
2. **-ible** (capable of)
* visible ˈvɪz.ə.bəl
* flexible ˈflek.sə.bəl
* edible ˈed.ə.bəl
3. **-al** (relating to)
* natural ˈnætʃ.ɚ.əl
* musical ˈmjuː.zɪ.kəl
* personal ˈpɝː.sən.əl
4. **-ful** (full of)
* helpful ˈhelp.fəl
* joyful ˈdʒɔɪ.fəl
* careful ˈker.fəl
5. **-less** (without)
* hopeless ˈhoʊp.ləs
* fearless ˈfɪr.ləs
* endless ˈend.ləs
6. **-ly** (in the manner of)
* quickly ˈkwɪk.li
* slowly ˈsloʊ.li
* happily ˈhæp.əl.i
7. **-ment** (action or process)
* development dɪˈvel.əp.mənt
* agreement əˈɡriː.mənt
* improvement ɪmˈpruːv.mənt
8. **-ness** (state or quality)
* kindness ˈkaɪnd.nəs
* darkness ˈdɑːrk.nəs
* happiness ˈhæp.i.nəs
9. **-er** (one who, comparative)
* teacher ˈtiː.tʃɚ
* runner ˈrʌn.ɚ
* faster fæst
10. **-or** (one who)
* actor ˈæk.tɚ
* inventor ɪnˈven.t̬ɚ
* conductor kənˈdʌk.tɚ
11. **-ist** (one who practices)
* artist ˈɑːr.t̬ɪst
* scientist ˈsaɪən.tɪst
* pianist ˈpiː.ən.ɪst
12. **-ion** (action or condition)
* celebration ˌsel.əˈbreɪ.ʃən
* decision dɪˈsɪʒ.ən
* creation kriˈeɪ.ʃən
13. **-tion** (action or condition)
* education ˌedʒ.əˈkeɪ.ʃən
* suggestion səˈdʒes.tʃən
* transportation ˌtræn.spɚˈteɪ.ʃən
14. **-sion** (state or condition)
* admission ədˈmɪʃ.ən
* confusion kənˈfjuː.ʒən
* extension ɪkˈsten.ʃən
15. **-ous** (full of)
* dangerous ˈdeɪn.dʒɚ.əs
* nervous ˈnɝː.vəs
* famous ˈfeɪ.məs
16. **-ive** (tending to)
* active ˈæk.tɪv
* creative kriˈeɪ.t̬ɪv
* attractive əˈtræk.tɪv
17. **-ic** (relating to)
* artistic ɑːrˈtɪs.tɪk
* athletic æθˈlet̬.ɪk
* energetic ˌen.ɚˈdʒet̬.ɪk
18. **-ity** (state or quality)
* reality riˈæl.ə.t̬i
* ability əˈbɪl.ə.t̬i
* simplicity sɪmˈplɪs.ə.t̬i
19. **-ance** (state or quality)
* performance pɚˈfɔːr.məns
* importance ɪmˈpɔːr.təns
* acceptance əkˈsep.təns
20. **-ence** (state or quality)
* difference ˈdɪf.ɚ.əns
* independence ˌɪn.dɪˈpen.dəns
* existence ɪɡˈzɪs.təns
## 6.4.3. 常见词根
1. **aqua** (water)
* aquarium əˈkwer.i.əm
* aquatic əˈkwæt̬.ɪk
* aqueduct ˈæk.wə.dʌkt
2. **aud** (hear)
* audience ˈɑː.di.əns
* audio ˈɑː.di.oʊ
* audition ɑːˈdɪʃ.ən
3. **bene** (good, well)
* benefit ˈben.ə.fɪt
* benevolent bəˈnev.əl.ənt
* benefactor ˈben.ə.fæk.tɚ
4. **cent** (hundred)
* century ˈsen.tʃər.i
* percent pɚˈsent
* centennial senˈten.i.əl
5. **dict** (say, speak)
* dictionary ˈdɪk.ʃən.er.i
* predict prɪˈdɪkt
* dictate ˈdɪk.teɪt
6. **duc** (lead)
* conduct kənˈdʌkt
* produce prəˈduːs
* reduce rɪˈduːs
7. **fract** (break)
* fracture ˈfræk.tʃɚ
* fraction ˈfræk.ʃən
* infraction ɪnˈfræk.ʃən
8. **ject** (throw)
* project ˈprɑː.dʒekt
* inject ɪnˈdʒekt
* reject rɪˈdʒekt
9. **jud** (judge)
* judicial dʒuːˈdɪʃ.əl
* prejudice ˈpredʒ.ə.dɪs
* judgment ˈdʒʌdʒ.mənt
10. **mal** (bad, ill)
* malnutrition ˌmæl.nuːˈtrɪʃ.ən
* malicious məˈlɪʃ.əs
* malfunction ˌmælˈfʌŋk.ʃən
11. **mater** (mother)
* maternal məˈtɝː.nəl
* maternity məˈtɝː.nə.t̬i
* matriarch ˈmeɪ.tri.ɑːrk
12. **mit** (send)
* transmit trænsˈmɪt
* admit ədˈmɪt
* submit səbˈmɪt
13. **mort** (death)
* mortal ˈmɔːr.t̬əl
* mortician mɔːrˈtɪʃ.ən
* mortify ˈmɔːr.t̬ə.faɪ
14. **multi** (many)
* multiple ˈmʌl.tə.pəl
* multiply ˈmʌl.tə.plaɪ
* multinational ˌmʌl.t̬iˈnæʃ.ən.əl
15. **pend** (hang, weigh)
* pendant ˈpen.dənt
* suspend səˈspend
* depend dɪˈpend
16. **port** (carry)
* transport ˈtræn.spɔːrt
* export ˈek.spɔːrt
* import ˈɪm.pɔːrt
17. **scrib/script** (write)
* describe dɪˈskraɪb
* manuscript ˈmæn.jə.skrɪpt
* subscription səbˈskrɪp.ʃən
18. **sect/sec** (cut)
* section ˈsek.ʃən
* dissect daɪˈsekt
* intersect ˌɪn.t̬ɚˈsekt
19. **sent/sens** (feel)
* sensation senˈseɪ.ʃən
* sensitive ˈsen.sə.t̬ɪv
* consent kənˈsent
20. **spec/spect** (look)
* inspect ɪnˈspekt
* spectator spekˈteɪ.t̬ɚ
* spectacle ˈspek.tə.kəl
21. **struct** (build)
* construct kənˈstrʌkt
* structure ˈstrʌk.tʃɚ
* destruct ˌself.dɪˈstrʌkt
22. **tele** (far)
* telephone ˈtel.ə.foʊn
* television ˈtel.ə.vɪʒ.ən
* telegraph ˈtel.ə.ɡræf
23. **terra** (earth)
* terrestrial təˈres.tri.əl
* territory ˈter.ə.tɔːr.i
* terrain təˈreɪn
24. **vac** (empty)
* vacant ˈveɪ.kənt
* vacuum ˈvæk.juːm
* evacuate ɪˈvæk.ju.eɪt
25. **vid/vis** (see)
* video ˈvɪd.i.oʊ
* vision ˈvɪʒ.ən
* invisible ɪnˈvɪz.ə.bəl