Derivatives

1. Amplify – amplifier, amplification.

2. Attract – attractive, attractively, attraction.

3. Conduct-conductor, conductive, conductivity, conduction, superconduction, semiconductor.

4. Derive – derivative, derivation

5. Describe – description, descriptive, descriptively.

6. Design-designer.

7. Develop-development-developer-developed-developing.

8. Differ – different, difference, differently.

9. Divide – division, dividend, divisor, divider.

10. Define – definite, definition, indefinitely.

11. Direct – directly, director, direction, directive.

12. Equal – equally, equality, equation, equalize, equalizer, equalization.

13. Effect – effective, effectiveness, effectively, ineffective.

14. Economic-economical-economically-economize;

15. Efficient-efficiency-efficiently;

16. Generate-generator-generation-generative;

17. Insulate – insulation, insulative, insulatively, insulator

18. Invent-inventor-inventive-invention;

19. Local – locally, locality, localize, localization, locate, location.

20. Nature – natural, naturally, native, naturalize, naturalization.

21. Multiply – multiplication, multiple, multiplicant, multiplier.

22. Operate – operator, operation, operative.

23. Observe – observer, observatory, observation.

24. Produce – product, productive, productivity, production, productively, producer.

25. Pollute-polluter-pollutant-pollution.

26. Possible-possibly-impossible-possibility.

27. Perform-performing-performance.

28. Real – really, realist, realize, reality, realization.

29. Relate – relation, relative, relativity, relatively.

30. Respect – respection, respectly, respective, respectivity, respectful, respectless.

31. Replace-replacement;

32. Reliable-reliability-reliably.

33. Science – scientist, scientific.

34. Special – specially, speciality, specialist, specialize, specialization.

35. Strong – strongly, strength, strengthen.

36. Transform-transformer-transformation.

37. Use – user, useless, useful, uselessness, usage.

38. Vary-variety-various.

39. Weigh – weight, weightless, weightlessness.

40. Wide – widely, width, widen.

Synonyms

1. aid, help.

2. amount, quantity.

3. beam, ray;

4. complex, complicated, sophisticated.

5. convenient, suitable, comfortable.

6. device, gadget, instrument, appliance;

7. different, various, another.

8. efficient, productive;

9. job, work; performance;

10. material, substance, matter;

11. method, technique;

12. movement, motion;

13. necessary, important, essential, main, fundamental, basic, major, chief.

14. new, modern, up-to-date, present, most recent, latest.

15. power, energy;

16. purity, cleanness;

17. purpose, aim, goal; objective;

18. quick, fast, rapid;

19. similar, alike;

20. simple, easy;

21. small, tiny, little;

22. smart, clever, intelligent;

23. speed, velocity, rate of motion;

24. steady, fixed, stable;

25. stream, flow;

26. sufficient, enough;

27. to achieve, to reach, to get, to obtain;

28. to allow, to permit, to let;

29. to call, to name, to term;

30. to change, to differ, to alter, to vary;

31. to complete, to finish, to stop, to end, to terminate;

32. to connect, to join, to combine;

33. to damage, to break, to destroy; to ruin;

34. to do, to make, to fulfill, to realize, to perform, to operate, to produce, to manufacture, to work;

35. to happen, to occur, to take place;

36. to initiate, to start, to begin, to enter;

37. to investigate, to research, to explore, to study;

38. to select, to choose;

39. to use, to utilize, to apply, to employ, to consume;

40. tremendous, large, big, great, gigantic, enormous, huge;

41. true, correct, right, real;

42. transformer, transducer.