love bite vs hickey

love bite and hickey both are nouns.

Word	Noun	Adjective	Verb	Adverb
love bite	Yes	No	No	No
hickey	Yes	No	No	No

As nouns, love bite and hickey are synonyms defined as:

love bite and hickey: a temporary red mark on a person's skin resulting from kissing or sucking by their lover

love bite (noun)	hickey (noun)
a temporary red mark on a person's skin resulting from kissing or sucking by their lover	a temporary red mark on a person's skin resulting from kissing or sucking by their lover
	a small inflamed elevation of the skin; a pustule or papule; common symptom in acne