heart line vs line of heart

heart line and line of heart both are nouns.

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

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

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

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

heart line (noun)	line of heart (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