calf-like the baby cow or ur leg muscle.
Half
laugh
No.
half
That very much depends on where you come from as regional and national pronunciation vary hugely. Some possible words that rhyme with "staff" include "half", "calf" and "laugh". Partial (or almost-rhymes) include "path" and "bath".
calf, giraffe, staff, and laugh
Laugh, Staff, Giraffe, Graph
Homage almost rhymes.
Nomads almost rhymes.
It rhymes with math, laugh, and path.
zoo rymes with poo
Humboldt almost rhymes with unbolt.