Username is a noun. It is a relatively recent term, since it is a technical term relating to computer use.
The word username is a noun. It is an online identification.
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The part of speech for "answer" is a noun.
part of speech
The part of speech for this particular word is a noun.
what part of speech is beneath
what part of speech is work
adverb
The part of speech for "explicit" is an adjective.
The part of speech for "twirl" is a verb.
The part of speech of "came" is a verb.
The part of speech for "buried" is a verb.
The part of speech for "rapid" is an adjective.