The word bus is a noun. The plural form is buses.
An Adverb. Reason it ends in '-ly'. e.g. He ran breathlessly to the bus stop.
The word stop is a regular verb. It can also be a noun as in (e.g.) a bus stop.
The term "bus stop" functions as a noun. It refers to a specific location where buses pick up and drop off passengers. In this compound noun, "bus" acts as a modifier that describes the type of stop.
adjectives describe nounsadjective + nounblack dog, big house, red bus, smallest boy,
Stand is a verb. It describes an action. "Stand on the curb and wait for the bus." Stand is also a noun. "Take a stand for what you believe in."
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
The part of speech for "explicit" is an adjective.
The part of speech for "lecturer" is a noun.