The sub -prime part
Vile is a noun. It's a small bottle that usually contains medicine.
The word bottle can be a noun or verb.The noun is a container, often glass or plastic, used to contain liquids but also for gases or granular solids. The verb means to place or pack in a bottle, or metaphorically to enclose or to repress (bottle up).When used as a modifier (e.g. bottle opener), bottle is a noun adjunct, not an adjective.
Left - Hand is an adjective because it describes something.For instance, it describes the noun in this sentence -The bottle is on the left - hand side of the counter.It is describing the bottle on the counter. Therefore it is an adjective.
part of speech
The part of speech for this particular word is a noun.
The part of speech for "answer" is a noun.
adverb
what part of speech is beneath
Old wine & new bottle
The part of speech for "explicit" is an adjective.
The part of speech for "twirl" is a verb.
The part of speech for "unfamiliar" is an adjective.