... and seefurther under -e.) But words with -ce and -ge varyaccording to the first vowel of the suffix.If it begins with a (as in -able, -age, -al, -an)oro (asin -ose, -ous, -osity), the word remains ... if it went back to Greek – and no problemif your policy is to use -ise spellings wherever the-ise/-ize options appear: see further under -ize/-ise.But if your policy is to use -ize spellings, ... (in Greek kastor). The -or spelling also goeswith castor oil extracted from the castor-oil plant(Ricinus communis) or the castor bean as it’s called inthe US and Canada. Castor-oil politics...