As nouns the difference between crew and shrew
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
shrew is any of numerous small mouselike, chiefly nocturnal, mammals of the family soricidae.
As verbs the difference between crew and shrew
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
shrew is (obsolete|transitive) to beshrew; to curse.