The spelling rule that can be used here to spell the words: "numerical + -ly" is to break them down into syllables.
What is a Spelling Rule?
This refers to the number of rules relating to the spelling of words in the language
Hence, we can see that The spelling rule that can be used here to spell the words: "numerical + -ly" is to break them down into syllables.
This is because a suffix is added and this would help break down the syllables to correctly spell them.
Read more about spelling rules here:
https://brainly.com/question/14603182
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