Added to verb stems to create a noun describing an error relating to the action described by the verb.

(unstressed) Contraction of of.. / (obsolete, unstressed) Contraction of on.

descendant of; used to form Irish patronymic surnames.

(printing) American Library Association abbreviation of octavo, a book size (20-25 cm). / (soccer) Someone associated with Leyton Orient Football Club, as a player, coach, supporter etc.

Something shaped like the letter O.

(historical) Abbreviation of morally offensive. (film classification of the National Legion of Decency)

A surname from Korean.

Alternative form of E

The English vocative particle, used for direct address.

The ordinal number fifteenth, derived from this letter of the English alphabet, called o and written in the Latin script.