s, a, e, p, u, v are letters that make 'save up'
SA, save, up, Av are words within 'save up'
1 possible definitions for 'save up'
Under this definition, save up is a verb and has the following properties:
save, lay aside have the same meaning as 'save up'
hive up, squirrel away, hoard, stash, cache, lay away are types of 'save up'.
savings, nest egg are derivatives of 'save up'.