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

(p. 189) ōjōguṇa (rhet.) ornateness and vigour of style. 2)

(p. 188) ōki, ōkī expressing: inquisitiveness, amazement, fright etc., what's that. 13)

(p. 189) ōẏājiba just, proper, right; necessary, essential. 27)

(p. 188) ōjḥ vigour, strength; lustre; (rhet.) ornateness and vigour of style. 21)

(p. 189) ōẏādā a point of time by or within which something is promised to be paid or given or done; promise. ওয়াদা দেওয়া v. to set a time-limit. 28)

(p. 189) ōrasā wet, moist. 38)

(p. 189) ōlakapi a kohlrabi; (loos.) a turnip. 42)

(p. 189) ōṭhā to rise; to get up; to climb or ascend (গাছে ওঠা, পাহাড়ে ওঠা); to get in (গাড়িতে ওঠা). See also the older form উঠা । 9)

(p. 189) ōlana2 a plumb-line, a plummet (also ওলনদড়ি). a. vertical. 44)

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

(p. 188) ōkhāna that or yonder place or region. 16)

(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. 188) ōgarā a variety of food cooked by boiling rice and pulse together, hotchpotch. 18)

(p. 188) ō1 the tenth vowel of the Bengali alphabet. 2)