mas ~
more ~
mas maganda
more beautiful
mas matalino
smarter
Mas mahirap ako.
I am poorer.
Mas mayaman siya.
She/He is richer.
The opposite of mas is menos, but menos is used with nouns rather than adjectives.
menos ~
less, fewer
menos gastos
incurs fewer expenses
menos problema
has fewer problems
Menos gastos ito.
This incurs fewer expenses. (This is cheaper.)
Menos problema kung gagamitin natin ito.
Fewer problems if we would use this.