"Bushel" is a noun, the name of a unit of measurement of volume.
The word bushel is a noun. The plural form is bushels.
. . . is that a bushel of feathers, a bushel of cotton, a bushel of wheat, or a bushel of lead pellets? (A bushel is a volume, not a weight.)
The part of speech for this particular word is a noun.
part of speech
The abbreviation for a bushel is "bu."
The part of speech for "answer" is a noun.
adverb
what part of speech is beneath
The part of speech for "unfamiliar" is an adjective.
The part of speech of "came" is a verb.
The part of speech for "twirl" is a verb.
The part of speech for "explicit" is an adjective.