oct(o)-

comb form 构词成分 having or made up of eight of sth （有）八（个）: octagon * octogenarian * octopus.

occupancy, occupant, occupation, occupational, occupied, occupier, occupy, occur, occur to, occurrence, ocean, ocean lane, ocean-going, oceanarium, Oceania, oceanic, oceanography, ocelot, ochre (US also ocher), Oct, octagon, octagonal, octane, octane number (also `octane rating), octave, octavo, octet (also octette), October, octogenarian, octopus, ocular, oculist, odd, odd job man, odd jobs, odd-looking, oddball, oddity, oddly, oddment,