O': of
O'erword: the refrain; catchword
Onie: any
Or: ere: before
Orra: extra
O't: of it
Ought: aught
Oughtlins: aughtlins: aught in the least;
at all
Ourie: shivering: drooping
Outler: unhoused
Owre: over: too
Owsen: oxen
Owthor: author
Oxter'd: held up under the arms