21. deduce / seduce / induce

　　22. perspective / prospective / respective

　　23. surplus / deficit / defect / sufficient

　　24. respective / respectable / respectful / respected

　　25. strain / stain / restrain / constrain / refrain

　　26. evoke / provoke / irritate / invoke / poke

　　27. open / cease / resume fire / ignite

　　28. hostility / futility / hospitality / absurdity / commodity

　　29. superiority / inferiority / priority

　　30. commerce / commence

　　31. stationery / stationary

　　32. compliment / complement

　　33. apprehension / comprehension

　　34. access / assess / inaccessible to

　　35. spark / trigger / give rise to

　　36. negligible / negligent

　　37. tackle / address / cope with / deal with

　　38. stability / capability

　　39. coincide / collide / crash

　　40. prescribe / describe / inscribe / subscribe / script / manuscript

　　41. ascend / transcend / descend