Final answer:
After using a thesaurus, 'abrasive' could be a term similar to 'grumpy' and 'rude' though it is not an exact synonym. Sorting words by emotion places 'abrasive' in a negative connotation category. Correct spelling and usage of these words in sentences are essential language arts skills.
Step-by-step explanation:
To find a synonym for the words grumpy and rude using a thesaurus, I have looked at the given list of words. None of the words in your current list precisely match these synonyms, but for example, the word 'abrasive' could be considered similar as it often describes someone who is harsh or rough in manner, which can be perceived as grumpy or rude.
When sorting words into emotional categories, one might place 'abrasive' under a category that could be alongside 'grumpy' or 'rude' for its negative connotations. In contrast, words like 'admiring' and 'adoring' would belong to a more positive emotional category.
The correct spelling of words and writing sentences using them are key skills in language arts, which seems to be the context of your practice questions. It's important to master these skills for clear and effective communication.