A word is a part of speech, not a sentence like the one in your example.
verb
The full stop at the end.
verb
An Adverb. Reason it ends in '-ly'. e.g. He ran breathlessly to the bus stop.
The word stop is a regular verb. It can also be a noun as in (e.g.) a bus stop.
He said that long speech because he wanted slavery to stop
14
He said slavery was wrong and should stop.
Here stop is a verb. verb + to + verb - plan + to + stop
Stopped is a verb (past tense of stop) and an adjective (a stopped car).
You can't stop using "speech" in your story. You might think that there is to much speech but speech is how you talk. So the answer is no you can not stop using speech in your story
Tell her to pack a lunch!