(p. 188) ōkāra the post-consonantal symbol 'ো' affixed to a consonant whilst adding the ও--sound to it. ওকারাদি a. (of words) beginning with ও or ও--sound. ওকারান্ত a. (of words) ending in ও or ও--sound. 10)

(p. 189) ōḍ়iẏā a native of Orissa; the language of Orissa. a. of Orissa or its people. 16)

(p. 189) ōpāra the other side or bank (of a river, etc.). 22)

(p. 189) ōdana food; meal; rice; boiled rice. 20)

(p. 189) ōḍikōlana eau-de-cologne, a perfume made from water and alcohol. 10)

(p. 189) ōlō used by (usu. village) women in addressing one another, hullo. 51)

(p. 189) ōlandāja Dutch. a. a Hollander, a Dutch; the Dutch language. 45)

(p. 189) ōstāda a trainer, a music-master or music-teacher; a master artist or artisan. a. skilled, expert. ওস্তাদি n. efficiency, skill, mastery; cleverness; an attempt to parade one's skill or mastery, bravado; uncalled-for act of coming forward to help; officiousness. a. pertaining to a trainer or music-master or master artist or master artisan. ওস্তাদি করা v. to try to parade one's skill or mastery; to come forward uncalled-for to help; to be officious. 59)

(p. 189) ōla an edible bulbous plant akin to arum or turnip. যেমন বুনো ওল তেমনি বাঘা তেঁতুল (fig.) measure for measure. 41)

(p. 188) ō2 that or yonder person or creature or thing, a person or creature or thing in question, he, she, it.  a. that immediately preceding, last (ও মাসে). adv. too, also, moreover (সে খাবেও); even (নামও শুনিনি).  con. and.  int. expressing; a call, recollection, amazement, pity etc.; holla, ho; ah, oh. 3)

(p. 189) ōẏāriśa an heir or heiress. ওয়ারিশান n. pl. heirs or heiresses. 30)

(p. 189) ōẏāpasa act of giving back, return. ওয়াপস করা v. to give back, to return. 29)

(p. 188) ōcalānō to winnow, to fan (grain etc.) free of husks and chaff. 20)

(p. 188) ōjana act of weighing; weight; a unit of weight, a measure; importance, impressiveness; power, strength (নিজের ওজন বুঝে কাজ করা). ওজন করা v. to weigh. ̃-করা a. measured (ওজন-করা কথা). ̃দর n. price according to or determined by weight (and not according to or determined by number). ̃দার n. a weighman, a measurer. 22)

(p. 189) ōhō expressing: recollection, amazement, regret etc., ah.