Frequency - Word Form
    1 o
    1 oak-trees
    1 oaks
    2 oar
    1 obesity
    1 obeys
   10 object
    8 objects
    3 obliquely
    1 obliterated
    1 obol
    2 obscure
   13 observable
   24 observation
    3 observations
    5 observe
   96 observed
    1 observer
    1 observers
    3 observing
    1 obtained
   16 obvious
    1 obvious-for
    9 obviously
    6 occasion
    1 occasional
   28 occasionally
    2 occasioned
    2 occasions
    3 occiput
    2 occupants
    1 occupied
    1 occupy
   11 occur
    5 occurred
    5 occurrence
    1 occurrences
   18 occurs
    1 october
   35 octopus
    1 octopuses
    1 ocular
    3 odd
    6 odour
    1 oenanthe
    1 oenas
   42 oesophagus
    2 oestrus
    1 oeta
 4759 of
  158 off
    1 off-branchings
    1 off-sweepings
    2 offal
    3 offence
    1 offensive
    1 offer
    1 offerers
    2 offers
    5 office
    9 offspring
   64 often
    2 oftener
    5 oftentimes
    9 oil
    1 oily
    1 ointment
  100 old
    6 old-age
    9 older
    2 oldest
    1 oleaster
   10 olive
    1 olive-harvests
    3 olive-oil
    2 olive-trees
    2 omen
    7 omentum
    1 omitted
    8 omnivorous
  786 on
   57 once
  644 one
   86 ones
    1 ones-whereas
    1 onion
  299 only
    2 onset
    2 onwards
    3 oozes
    1 oozing
   42 open
    4 opened
    6 opening
    2 openings
    1 openly
    5 opens
    2 operated
   21 operation
    1 operations
    3 opercula
    9 operculum
    6 opinion
    7 opisthuretic
    1 opponents
    1 opposing
   12 opposite
    2 oppressed
    1 opus
 1000 or
    1 oracle
    1 orchomenus
    1 orcys
   13 order
    1 orderly
    3 ordinarily
   38 ordinary
    1 ore
  152 organ
    1 organic
    1 organism
    1 organization
    1 organized
   99 organs
    8 orifice
    2 orifices
    1 origanum
   10 origin
    3 original
    3 originally
    2 originate
    1 origins
    3 oriole
    2 orphus
    1 orsodacna
    1 oryx
    1 osphus
    1 osprey
    7 osseous
    1 ossifying
    1 ostracoderma
    2 ostracoderms
    1 ostrich
  491 other
  235 others
    1 others-either
    9 otherwise
    4 otter
   14 our
    1 ourax
  245 out
    1 out-of-door
   26 outer
    3 outermost
    1 outflow
    1 outgrowing
   18 outlet
    1 outline
    1 outlines
    1 outlives
    1 outlook
    1 outrage
    8 outset
   35 outside
    1 outspreading
    1 outstanding
    2 outstretched
    3 outward
    2 outwardly
    5 outwards
    1 oval
    1 ovaries
    3 ovary
  140 over
    1 over-fat
    1 over-fattened
    1 overabundance
    1 overboard
    1 overfeeding
    1 overflowing
    1 overhanging
    3 overhead
    1 overlap
    2 overlapping
    1 overlooked
    1 overmastered
    1 overmuch
    1 overpassed
    1 overpasses
    2 overpowering
    1 overshadowed
    1 overtake
    5 overtaken
    1 overturned
   16 ovipara
   66 oviparous
    1 ovum
    2 owes
   81 owing
   27 owl
    1 owl-a
    1 owls
   46 own
    2 owner
    8 owsel
    1 owsels
    3 owzel
   17 ox
    1 ox-ray
   10 oxen
   10 oyster
    1 oyster-family
    5 oysters
    1 ozolis