It's both a verb and a noun, depending on how you use it.
Verb: I can smell!
Noun: The smell was horrible!
The word stench is a noun. A stench is a foul smell.
The part of speech that the word my is used as is an adjective.
A suffix changes a word's part of speech. For example, the word 'happy' is an adjective. But when you add a suffix, which is an ending, it can change the part of speech. Happily is an adverb. Happiness is a noun.
for
it depends what word it is it could be any part of speech depending on the sentence
The word stench is a noun. A stench is a foul smell.
The word "acrid" is an adjective. It is used to describe a strong and unpleasant smell or taste.
The word "aroma" is a noun. It refers to a pleasant smell or fragrance.
It is an adjective.
The word "pungent" is an adjective. It is used to describe something with a strong, sharp, or biting taste or smell.
The word "luscious" is an adjective. It is used to describe something that is richly pleasing to the senses, especially taste or smell.
The part of speech that the word my is used as is an adjective.
The part of speech for this particular word is a noun.
The part of speech for the word civilian is English grammar.
The part of speech for the word diplomacy is a noun.
H is a letter, not a word. To be a part of speech, it needs to be a word.
The part of speech for the word "boulevard" is a noun.