It's a noun...an easy way to tell is by putting an noun indicator (article) in front of it like, "THE runner up was Tommy."
there is one part of speech in the word up.
"Stroobly" is not a recognized English word, so it does not have an associated part of speech. It may be a made-up or invented word with no defined grammatical classification.
Do is a verb.
Mess is a noun and a verb. Noun: Your hair is a mess! Verb: The wind messed up my hair!
Vial comes up as a noun.
The word regurgitate is a verb. It means to bring up something that was already swallowed.
Twisted is the verb.
Wabe is a noun. It is a made-up word used by Lewis Carroll in "Jabberwocky" as part of a nonsensical poem.
When looking up a word in the dictionary, you can find out its definition, part of speech, and sometimes its origin or etymology.
You may find the word's definition, pronunciation, part of speech, and example sentences in the dictionary.
The part of speech for "yo" is interjection. EXAMPLE: Yo! What's up?
In the sentence "The time is up," the word "up" functions as an adverb. It indicates the completion or expiration of time, modifying the verb "is."