"Bark," in terms of the covering of a tree, is a noun.
With regards to dogs, it could be a noun or a verb depending on context.
Example 1: "The dog's bark sounded happy." In this case "bark" is used as a noun.
Example 2: "The dog decided to bark." In this case, "bark" is used as a verb.
The word barked is a verb. It is the past tense form of the verb "bark".
Noun
The part of speech for this particular word is a noun.
The part of speech that the word my is used as is an adjective.
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 civilian is English grammar.
The part of speech for the word diplomacy is a noun.
The word speech is a noun.
The part of speech for this particular word is a noun.
The word speech is a noun.
The word speech is a noun.
The word speech is a noun.
What "part of speech" is the word "said?"
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.