a, o, l, p, h, u are letters that make 'hula-hoop'
la, hula, hoop, LA, Ho, La are words within 'hula-hoop'
1 possible definitions for 'hula-hoop'
Under this definition, hula-hoop is a noun and has the following properties:
'hula-hoop' can be a type of plaything, toy.