hickey vs love bite

hickey and love bite both are nouns.

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

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

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

hickey (noun)	love bite (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