hep vs hip

hep is not a noun while hip is a noun.

Word	Noun	Adjective	Verb	Adverb
hep	No	Yes	No	No
hip	Yes	Yes	No	No

As adjectives, hep and hip are synonyms defined as:

Other synonyms of hep include hip to.

hep (noun)	hip (noun)
	either side of the body below the waist and above the thigh
	the structure of the vertebrate skeleton supporting the lower limbs in humans and the hind limbs or corresponding parts in other vertebrates
	the ball-and-socket joint between the head of the femur and the acetabulum
	the fruit of a rose plant
	(architecture) the exterior angle formed by the junction of a sloping side and a sloping end of a roof

hep (adjective)	hip (adjective)
informed about the latest trends	informed about the latest trends