That depends on your usage. If you wanted to say, for example, "There was a dramatic increase in the Stock Market yesterday", then "increase" is being used as a noun.
However, you could also say "Modern automakers are researching ways to increase fuel consumption in cars", then "increase" is used as a verb.
Increase is a verb
Intervals is a noun.
Ample is an adjective.
Deduct is a verb.
Increment can be a noun and a verb. Noun: the action of increasing. Verb: to increase by steps.
The word methodical is an adjective. It means in an organised manner.
The word increasingly is an adverb. It means to do something by increasing in amount.
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.
The word speech is a noun.