Collocations for zeal - noun

great, true | excessive, fanatical | crusading, missionary, radical, reforming, religious, revolutionary
a crusading zeal to eradicate drug abuse

burn with, have
He burned with a reforming zeal.

demonstrate, show

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

~ for
She had a true zeal for journalism.

~ in
their zeal in the promotion of education

a lack of zeal