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.
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.
When looking up a word in the dictionary, you can find out its definition, part of speech, and sometimes its origin or etymology.
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."
In this instance the "up" is being used as an adverb related to the verb "climbed".
Typhoon is a noun. If you're not sure about the part of speech for any word. You can look the word up in a dictionary or type the word into a search engine asking for the definition of the word. Doing so will not only give you the meaning/definition of the word but also tell if the word is a Noun, Verb, Adverb, Adjective, adverb, pronoun, etc.
"Normal" is an adjective; when used in a sentence it modifies some noun.