ear cuff vs ear hook earring

ear cuff and ear hook earring both are nouns.

Word	Noun	Adjective	Verb	Adverb
ear cuff	Yes	No	No	No
ear hook earring	Yes	No	No	No

As nouns, ear cuff and ear hook earring are synonyms defined as:

ear cuff and ear hook earring: a non-pierced earring of varying size (i.e. small wrap or hook big enough to hang over the whole ear and dangle) worn on the rim of the ear.

Other synonyms of ear cuff include ear wrap, earcuff.

ear cuff (noun)	ear hook earring (noun)
a non-pierced earring of varying size (i.e. small wrap or hook big enough to hang over the whole ear and dangle) worn on the rim of the ear.	a non-pierced earring of varying size (i.e. small wrap or hook big enough to hang over the whole ear and dangle) worn on the rim of the ear.