... above.ophthalmologist(not opth-)opinion(not oppinion)oppositeoralSee AURAL OR ORAL?. 150 OUTRAGEOUSoutrageous(not outragous)See SOFT c AND SOFT G.over-Take care when adding ... reactovum (singular) ova (plural)See FOREIGN PLURALS.owing toSee DUE TO/OWING TO. 152 ONTO OR ON TO?an OFFICIAL visitan OFFICIAL invitationOFFICIOUS = fussy, self-important, ... using 'of unnecessarily:He threw it OUT OF the window.He threw it OUT the window. 151 PARAGRAPHINGparagraph and another at the end as a conclusion.There are no rules about...