Vocabulary consisting only from characters you are able to read
回り
まわり
(1)circumference, perimeter, edge, (2)surroundings, locality, neighborhood, (3)rotation, circulation jlpt3
一回り
ひとまわり
(1)one turn, one round, (2)(a) size, (vs) (3)to go around, to make a circuit, to take a turn mix