bob cut
any hairstyle for medium-length hair where the hair is cut along a circular line around the head, letting it cover the ears and hang above the shoulders
micro bob
variant of the bob cut where the hair is long enough to be at the earlobe level
pageboy
type of hairstyle characterized by cutting the hair in a bowl-like way with a hypothetical bowl placed on the crown instead of the very top of the head
lob
variant of the bob cut where the hair is long enough to be at shoulder level