Why isn't oraciones in the dictionary

Question

Oraciones the plural of oración is not in the dictionary. It should be under sentences

Answer 1

Plurals of nouns are generally not in any dictionary.

I disagree. Some dictionaries list plural forms, adverbs, adjective forms so that you will know how they are spelled. You cannot look up the plural form, however. - 0074b507, Jan 21, 2010