We will do a bungee jump for charity.
The solider refused to jump out the plane, so he was pushed.
The scary film made me jump so many times.
Don't jump on your bed or you'll break it.
Leap, dive, buck
A four letter word starting with J is jump or joke.
jump.
jete
"Jump on the bandwagon" IS a sentence.
It was a scanty amount of food to feed four people with.
There are twenty four uniform sheets of paper in a quire.
jolt just jump
jack jerk jump jilt
Jump can be both a noun and a verb. As a noun, it refers to the physical act of jumping. As a verb, it describes the action of propelling oneself off the ground. So, to answer your question, jump is a versatile little word that can do both noun and verb duties.
jade.... jump jury... joke... jive...
soar