Collocations for portion - noun

considerable, good, huge, large, major, significant, sizeable, substantial
small
central, lower, southern, top, upper, etc.
first, second, etc.
remaining

make up, take up

portion of
Salaries take up a considerable portion of our total budget.

double, generous, large
a generous portion of vegetables

small, tiny
individual

eat
Eat smaller portions at regular intervals.

portion of
He asked for a large portion of salad.

divide sth into portions