"White onion." Yellow onion.
Almonds are frequently used in the cooking of Spain and, in this case, they are blanched and ground and mixed into an onion soup.
Spring onions (US: scallions, salad onions).
Shallot
Braised onions
Chives
Cocktail onions
Onions boiled and stuffed with minced (US: ground) pork and herbs bound with egg and then baked.
Red onion. A mild onion with strong colour.