What are the guide words for novel and nucleus?

The guide words for "novel" and "nucleus" would depend on the dictionary you are using. However, here are some possibilities:

If you're looking for guide words that encompass both words:

* "nocturnal" and "nurse"

* "nomination" and "nut"

If you're looking for individual guide words:

For "novel":

* "noise" and "now"

* "nonchalant" and "nudge"

For "nucleus":

* "nuisance" and "numeral"

* "numerical" and "nurse"

It's important to remember that guide words are specific to the dictionary you are using. You can find the exact guide words for "novel" and "nucleus" by looking at the page containing those words in your dictionary.