casta

As nouns the difference between crew and casta

is that crew is a group of people (often staff) manning and operating a large facility or piece of equipment such as a factory, ship, boat, or airplane or crew can be (british|dialectal) a pen for livestock such as chickens or pigs or crew can be the manx shearwater while casta is .

As verbs the difference between crew and casta

is that crew is to be a member of a vessel's crew or crew can be (british) (crow) to have made the characteristic sound of a rooster while casta is .

As an adjective casta is

twisted, wound.