jacket

As a proper noun Jon

is a given name derived from Hebrew, a spelling variant of John.

As a noun jacket is

a piece of clothing worn on the upper body outside a shirt or blouse, often waist length to thigh length.

As a verb jacket is

to enclose or encase in a jacket or other covering.

As nouns the difference between hyena and jacket

is that hyena is large, canine‐resembling carnivore belonging to the family Hyaenidae, native to Africa and Asia, often notable for the sound similar to laughter which it can make if excited while jacket is a piece of clothing worn on the upper body outside a shirt or blouse, often waist length to thigh length.

As a verb jacket is

to enclose or encase in a jacket or other covering.