The word usage is a noun.
"When" can function as an adverb, conjunction, or noun in a sentence, depending on its usage.
"Ghetto" can function as a noun, adjective, or verb, depending on its usage.
"Where" can function as both an adverb and a conjunction, depending on its usage in a sentence.
The part of speech of the word "brevet" can vary based on its usage. As a verb, it is typically used as a transitive verb. As a noun, it is commonly treated as a countable noun.
"Altogether" can function as an adverb or an adjective, depending on its usage in a sentence.
"When" can function as an adverb, conjunction, or noun in a sentence, depending on its usage.
It can be a verb or a noun, depending on usage. en.wikipedia.org/wiki/Gerund
"All" can be an adjective, adverb, pronoun or noun depending on the usage.
In traditional usage, it's most often a noun. In slang usage, it's most often a verb.
Bone is mostly used as a noun. There is a crude usage that would be a verb.
"Where" can function as both an adverb and a conjunction, depending on its usage in a sentence.
"Ghetto" can function as a noun, adjective, or verb, depending on its usage.
The part of speech of the word "brevet" can vary based on its usage. As a verb, it is typically used as a transitive verb. As a noun, it is commonly treated as a countable noun.
The word whomever is a pronoun. It is the formal usage of whoever.
"Altogether" can function as an adverb or an adjective, depending on its usage in a sentence.
Depending on usage, the English language word "game" can be a noun, an adjective, or a verb.
The term for knowing a word's part of speech in order to appropriately use it in a sentence is "word-usage."