Work is a verb in that example.
noun
The part of speech that the word my is used as is an adjective.
It depends on how you are using the word. Work can be a noun (He was late for work) and a verb (How do you work this thing). With an ending, it can also be an adjective (It was a working part).
"Worked" is the past tense or past participle of the verb "work".
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.
noun
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 word mull is a verb. It means to work or think something over.
It depends on how you are using the word. Work can be a noun (He was late for work) and a verb (How do you work this thing). With an ending, it can also be an adjective (It was a working part).
The word "cite" is a verb. It is used to refer to quoting or referencing a source of information in written work or speech.
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.
The word speech is a noun.
The part of speech for this particular word is a noun.