The word gain is a verb. The past tense is gained.
Gain can also be a noun.
The word "profit" can function as both a noun and a verb. As a noun, it refers to the financial gain obtained after subtracting expenses from revenue. As a verb, it means to gain an advantage or benefit from something. The context in which it is used determines its part of speech.
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 mature is an adjective. It can also be a verb as in to gain experience or wisdom.
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.
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.