Breadth
The word "unbreakable" would not appear on the page with the guide words "breakable" or "breathe." This is because "unbreakable" comes alphabetically before "breakable." Guide words typically list the first and last words on a page, so any word falling between those two words would be included, while words that precede them would not.
The word "problem" would not appear on the page with the guide words "prodigy" and "profit."
The word "signature" would appear between the guide words "signify" and "silly" in the dictionary.
Guide words are words that appear at the start and end of the page. For the page containing "baggage", the words might be "bagel - bagged".
lap
In a dictionary, words that may appear between the guide words zebra and zodiac are zeitgeist, zephyr, Zimbabwe, and zipper.
nourish
negligent
Arc :)
nourish
Yes, "breakable" is a compound word formed by combining the words "break" and "able."
It would depend on how comprehensive the dictionary was.