other |ˈʌðər| — recently past

other-worldly |ˌʌðəˈwɜːldlɪ| — Alternative spelling of otherworldly.

otherness |ˈʌðərnəs| — the quality of being not alike; being distinct or different from that otherwise experienced or known

others |ˈʌðəz| — plural form of other

otherwhere |ˈʌðəweə| — (now regional) In or to some other place, or places; elsewhere. [from 14th c.]

otherwise |ˈʌðərwaɪz| — in other respects or ways

otherworldly |ˌʌðəˈwɜːldlɪ| — existing outside of or not in accordance with nature

otic |ˈəʊtɪk| — of or relating to near the ear

otiose |ˈəʊʃɪəʊs| — serving no useful purpose; having no excuse for being

otioseness |ˈəʊʃɪəʊsnɪs| — Quality of being otiose.

otiosity |ˌəʊʃɪˈɒsɪtɪ| — The state or quality of being otiose.

otitis |əʊˈtaɪtɪs| — inflammation of the ear

otolaryngologist  — a specialist in the disorders of the ear or nose or throat

otolaryngology |ˌəʊtəʊlærɪŋˈɡɑːlədʒɪ| — the medical specialty that deals with diseases of the ear, nose and throat

otologist |əʊˈtɒlədʒɪst| — a physician who specializes in the ear and its diseases

otology |ɒˈtɑːlədʒɪ| — the branch of medicine concerned with the ear

otorrhea  — discharge from the external ear

otoscope |ˈəʊtəˌskəʊp| — medical instrument consisting of a magnifying lens and light; used for examining the external ear (the auditory meatus and especially the tympanic membrane)

ototoxic |ˌəʊtə(ʊ)ˈtɒksɪk| — toxic to the organs of hearing or balance or to the auditory nerve

otter |ˈɑːtər| — the fur of an otter

otterhound |ˈɒtəhaʊnd| — hardy British hound having long pendulous ears and a thick coarse shaggy coat with an oily undercoat; bred for hunting otters

otto |ˈɑːtəʊ| — Alternative spelling of attar.

ottoman |ˈɑːtəmən| — a Turk (especially a Turk who is a member of the tribe of Osman I)