heart line vs love line

heart line and love line both are nouns.

Word	Noun	Adjective	Verb	Adverb
heart line	Yes	No	No	No
love line	Yes	No	No	No

As nouns, heart line and love line are synonyms defined as:

heart line and love line: a crease on the palm; palmists say it indicates your emotional nature

Other synonyms of heart line include line of heart, mensal line.

heart line (noun)	love line (noun)
a crease on the palm; palmists say it indicates your emotional nature	a crease on the palm; palmists say it indicates your emotional nature