Reasoning - Formation of Word from another Word

1. INFRASTRUCTURE  

  1. Nature
  2. Charter
  3. Fracture
  4. Restrain

2. ADMINISTRATION  

  1. Mind
  2. Ration
  3. Minister
  4. Station

3. CHEMOTHERAPY  

  1. MOTHER
  2. THERAPY
  3. PANTHER
  4. REMOTE

4. CONVERSATION  

  1. Nation
  2. Version
  3. Station
  4. Reason

5. INDETERMINATE  

  1. DETERMINE
  2. RETINUE
  3. REMIND
  4. RETINA

6. IMPASSIONABLE  

  1. IMPASSABLE
  2. IMPOSSIBLE
  3. IMPASSIVE
  4. IMPASSION

7. PRESIDENTIAL  

  1. SLEEP
  2. DENTAL
  3. ARDENT
  4. DIGITAL

8. PERMANENT  

  1. REMNANT
  2. TRAMP
  3. MENTOR
  4. AMPERE

9. JUXTAPOSITION  

  1. TAXI
  2. TOXIC
  3. SPOT
  4. POST

10. ORGANISATION  

  1. STRONG
  2. ORANGE
  3. NOTION
  4. GROAN

11. GERMINATION  

  1. ORNAMENT
  2. TERMINAL
  3. IGNITE
  4. GERMAN

12. EXAMINATION  

  1. EXAMINE
  2. NATION
  3. NOTE
  4. TONE

13. LEDMENTNOWGEACK  

  1. KNOWLEDGE
  2. GENTLE
  3. AGENCY
  4. LODGE

14. CONSTRUCTION  

  1. NOTION
  2. CAUTION
  3. COINS
  4. SUCTION


15. AGRICULTURE  

  1. IRATE
  2. GREAT
  3. LATE
  4. CLIMATE

16. DISSEMINATION  

  1. INDIA
  2. MENTION
  3. NATIONS
  4. ACTION

17. INTEGRAL  

  1. ENTREATY
  2. TRIANGLE
  3. RELATING
  4. ALERTING

18. INTERNATIONAL  

  1. ALONE
  2. NOTE
  3. LATER
  4. RADIO

19. REVOLUTIONARY  

  1. REVOLT
  2. TRAIL
  3. VOCATION
  4. VOLUNTARY

20. RAPPROCHEMENT  

  1. REPRESENT
  2. REPROACH
  3. PHANTOM
  4. CEMENT

21. REHABILITATION  

  1. RELATION
  2. BRITTLE
  3. BRITAIN
  4. BROACH

22. OUTRAGEOUS  

  1. GREAT
  2. OUTAGE
  3. SURAT
  4. GREGARIOUS

23. ENCYCLOPEDIA  

  1. CYCLE
  2. PENCIL
  3. YOKE
  4. DIAL

24. THERMOLYSIS  

  1. SISTER
  2. LOTUS
  3. LORIS
  4. THESIS

25. IRREGULARITIES  

  1. REGULAR
  2. TIRED
  3. TRAILER
  4. IRRIGATE