(p. 41) apapraẏōga misapplication; abuse; misuse. অপপ্রয়োগ করা v. to misapply. 82)

(p. 51) apraẏōga non-application; lack of use; non-currency, abeyance; misapplication, misuse. 37)

(p. 51) apraẏōjana needlessness, absence of necessity. অপ্রয়োজনীয় a. unnecessary, needless; redundant, superfluous; useless. অপ্রয়োজনীয়তা n. unnecessariness, needlessness; uselessness; redundance, superfluity. 38)

(p. 591) niṣprapraẏōjana unnecessary; needless; purposeless; useless. n. needlessness, purposelessness. নিষ্প্রয়োজনে adv. unnecessarily; needlessly; to no purpose, uselessly. 25)