Read, translate and remember.
Adjectives:
−ful: beauty $\mathbf{\text{ful}}$, care$\mathbf{\text{ful}}$, wonder$\mathbf{\text{ful}}$, use$\mathbf{\text{ful}}$, help$\mathbf{\text{ful}}$, success$\mathbf{\text{ful}}$
−able: change$\mathbf{\text{able}}$, comfort$\mathbf{\text{able}}$, hospit$\mathbf{\text{able}}$, unforgett$\mathbf{\text{able}}$
−ous: fam$\mathbf{\text{ous}}$, curi$\mathbf{\text{ous}}$, danger$\mathbf{\text{ous}}$, seri$\mathbf{\text{ous}}$, humor$\mathbf{\text{ous}}$
−y: luck$\mathbf{\text{y}}$, bus$\mathbf{\text{y}}$, funn$\mathbf{\text{y}}$, dirt$\mathbf{\text{y}}$, laz$\mathbf{\text{y}}$, nois$\mathbf{\text{y}}$, sh$\mathbf{\text{y}}$, extraordinar$\mathbf{\text{y}}$, angr$\mathbf{\text{y}}$
Adverbs:
−ly: quick$\mathbf{\text{ly}}$, slow$\mathbf{\text{ly}}$, angri$\mathbf{\text{ly}}$, serious$\mathbf{\text{ly}}$, successful$\mathbf{\text{ly}}$, careful$\mathbf{\text{ly}}$, unfortunate$\mathbf{\text{ly}}$, bad$\mathbf{\text{ly}}$, surprising$\mathbf{\text{ly}}$