originationDate
originator
originParents
originParticipant
originPlace
originRegion
origins
origPlace
oriya
oromo
OrthographicPart
OrthographicPhrase
OrthographicSentence
orthographicSentence
OrthographicSystem
OrthographicWord
Orthography
orthography
orthographyName
osage
ossetian
other
otherAnimacy
otherBinaryData
otherGender
otherNumber
otherPartOfSpeech
OtherSourceEvidentiality
OtherThanVisualEvidentiality
otherwise
otomianLanguages
outdatedForm
outdatedTerm
outdoors
output
outputResource
outputType
overallNegativeAlloFeedback
overallNegativeAutoFeedback
overallPositiveAlloFeedback
overallPositiveAutoFeedback
ownedNumber
owner
ownerGender
ownerNumber
ownerPerson
p
pact
pagebreak
page_number
ISO 12620