The word credible is an adjective. It describes something that has credit.
The word credibility is a noun.
The three types of credibility for a speech are initial credibility (based on the speaker's reputation and qualifications), derived credibility (built through the speaker's presentation and content), and terminal credibility (final impression of the speaker's credibility after the speech).
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 diplomacy is a noun.
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.
The part of speech for this particular word is a noun.
The word speech is a noun.
The word speech is a noun.