UnScramble this Word: n e i o s?

Questions

Common name for a carnivore now widespread in North America & closely related to the wolf (dog family)?

Common name for a deciduous orchard tree of the rose family, & for the fruit of this tree?

Common name for a family comprising about 80 genera & 1500 species of herbs, shrubs, & some trees, & for its representative genus?

Common name for a family of flowering plants & for its representative genus?

Common name for a family of grasslike flowering plants with characteristically triangular stems?