Buzz is a verb an a noun.
Verb: The fly buzzed around my head.
Noun: What is all the buzz about?
The part of speech for this particular word is a noun.
The part of speech for "answer" is a noun.
The part of speech for "explicit" is an adjective.
The part of speech for "lecturer" is a noun.
The part of speech for "rapid" is an adjective.
Some of the speech devices that describe mosquito buzzing is an onomatopoeia. These devices describe the sounds made by various objects.
Onomatopoeia isn't a part of speech; it's a rhetorical device. Onomatopoeia can be present in several parts of speech - nouns, verbs, or adjectives. The common thread is that words all sound like their meaning. For example, the word "buzz" actually sounds like the buzzing noise that is its meaning. The word onomatopoeia is a noun.
Trees do not normally 'buzz'. Buzzing can be a sign that there is a fire on some part of the tree, and that is the tree's way of reacting to the fire. Buzzing trees can easily be mistaken for buzzing power lines that run around or through a tree.
The part of speech for this particular word is a noun.
part of speech
The part of speech for "answer" is a noun.
what part of speech is beneath
adverb
There is a buzzing sound from next door.I am buzzing with excitement.
The part of the trumpet you blow into is called a "mouthpiece"
that would be the wings, like all flying insects that make a buzzing sound.
The part of speech for "explicit" is an adjective.