Mammoth Uncensored Word List:
64 - 10 letter words starting with oc

occasional occasioned occasioner occidental occipitals occludents occlusions occlusives occultisms occultists occultness occupances occupating occupation occupative occurrence occurrents oceanarium oceanfront oceangoing oceanology ocellation ochlocracy ochlocrats ochlophobe ochophobes ochophobia ochophobic ochraceous octachords octadecane octadienes octahedral octahedron octamerous octameters octandrian octandrous octangular octaploids octaploidy octapodies octarchies octastichs octastyles octavalent octilliard octillions octodecimo octogenary octogynous octohedron octonarian octonaries octonarius octoploids octopodans octopodous octopusher octopushes octostyles octothorps ocularists oculomotor