On-sagen = unsagen = unsaw, reproach, [2045].

On-seken, (pl.) attack, [851].

On-sel, On-sele, in time, betimes, timely, [1537], [2051].

See Sel, Sele.

On-sunder, separate, apart, [148], [3909].

On-ðrist, athirst, [1229].

Oo, ever, [111].

Ooc, oak, [1873].

Opelike, openly, publicly, [2583].

Opnede, opened, [3773].