Collocations for zeal - noun

great
excessive
crusading, ideological (esp. AmE), missionary, reforming (esp. BrE), religious, revolutionary
a crusading zeal to eradicate drug abuse

burn with, have
He burned with a reforming zeal.

show

with zeal
She went about the task with the zeal of an enthusiast.

zeal for
She had a true zeal for journalism.

zeal in
their zeal in the promotion of education