The verb "to govern" is the verb form of the noun government.
The verb avert does not have a corresponding noun, it does, however, have a corresponding adjective: avertable.
There is no verb corresponding to the adjective voracious.
No solution is a noun. Solve is the corresponding verb.
describe
to tighten,
Corresponding verb to the noun central is centralise (or centralize)
The corresponding noun to the verb flee is flight.
Advertisement is the corresponding noun to the verb advertise
Explode, explodes, exploded. The dynamite exploded on contact.
The noun forms of the verb to widen are widener and the gerund, widening.A related noun form is width.
The corresponding verb to statement is to state.
The verb corresponding to the noun sleep is to sleep - slept - slept