"Tried" is both the simple past tense and the past participle of the verb "try". As the past participle it may function in a sentence as an adjective, either by itself or as the introductory work in an adjective phrase.
Example as a simple past tense verb: "I tried to make a fire without using a match but failed."
Example as a single word adjective: "The tried person was acquitted."
Example as introducing an adjective phrase: "The Christian martyrs, their faith tried by fire and sword, remained faithful."
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.
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 part of speech for the word civilian is English grammar.
The word speech is a noun.
It is not ANY part of speech, there is no such English word as "stroobly".
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.