is it a adjective
No, rush does not have an adverb, and if it did the word might have been rushly but rushly is not a word.
I had to rush to my car.
I had to rush to get to school today.
The word "rush" can be either a verb or a noun, depending on how it is used in a sentence.
rush - I rush to workrushes - She rushes to work.rushing - We are rushing to work.
The plural of "class" is "classes."
No. The word rush is a verb (to hurry) or noun (a hurried state).
Yes, the word 'classes' is a common noun, the plural form of the singular noun 'class', a general word for any classes of any kind. The word 'classes' is also the third person, singular, present of the verb class ( class, classes, classing, classed).
it is ラッシュ
rush
No, the noun 'Rush' (capital R) is a proper noun, the name of a specific person (Geoffrey Rush, Australian actor or Richard Rush, 8th US Attorney General). The noun 'rush' (lower case r) is a common noun, a general word for a quick and forceful movement; an act of doing something quickly; a type of marsh plant; a word for an rush of any kind. A common noun is capitalized only when it is the first word in a sentence. The word 'rush' (lower case r) is also a verb: rush, rushes, rushing, rushed.
prime is an adjective