hip vs hep

hip is a noun but hep is not a noun.

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

As adjectives, hip and hep are synonyms defined as:

Other synonyms of hip include hip to.

hip (noun)	hep (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

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