Collocations for ignite - verb

spontaneously
The burning foam generates such heat that other items ignite spontaneously.

instantly, suddenly
easily
an explosive that is easily ignited

fail to
The gunpowder sometimes fails to ignite.

Ignite is used with these nouns as the subject:
petrol, spark

Ignite is used with these nouns as the object:
controversy, debate, engine, fire, flame, fuel, fury, imagination, passion