(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)

(p. 687) praẏōga employment; application; use or usage; mention; a precedent, an example; an instance. প্রয়োগ করা v. to employ; to apply; to use. ̃দোষ n. misapplication, wrong or unjust use. ̃বাদ n. (phil.) pragmatism. ̃বাদী a. pragmatist. ̃বিন্দু n. (phys.) a point of application. ̃শালা n. a laboratory. প্রায়োগিক a. (phil.) empirical. 18)

(p. 687) praẏōjaka employing; applying; using; performing; introducing; inaugurating or founding. প্রয়োজক ক্রিয়া causative verb. 19)

(p. 687) praẏōjana necessity, need; purpose, object, end; motive; cause, occasion; use. প্রয়োজনাতিরিক্ত, প্রয়োজনাতীত a. more than what is necessary; more than enough; superfluous; unnecessary, redundant. প্রয়োজনানুরূপ a. satisfying needs, just enough to meet (one's) requirement, adequate, sufficient. প্রয়োজনীয় a. necessary, needful; serviceable, useful. প্রয়োজনীয়তা n. necessity, need; serviceability, usefulness. 20)

(p. 1018) supraẏōga proper application, appropriate use, good or profitable utilization. 27)