The word days is a noun. It is the plural form of the word "day".
Days can also be an adverb referring to during the daytime. A common example of this is referring to a work shift pattern. For example, she is working days for the next three weeks.
The part of speech that the word my is used as is an adjective.
Ordinary is an adjective (an ordinary day) and a noun (out of the ordinary).
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.
for
The word rest is a noun. Rest can also be a verb as in (e.g.) to rest your feet after a long day.
The word 'holiday' is a noun; a word for a special day of celebration or relaxation; a word for a thing.
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.
Ordinary is an adjective (an ordinary day) and a noun (out of the ordinary).
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 Saturday is a noun. It is the day of the week that follows Friday.
The word yon is an adjective. This is an outdated word and not often used in present day English.
The word speech is a noun.
The part of speech for this particular word is a noun.