mensal line vs heart line

mensal line and heart line both are nouns.

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

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

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

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

mensal line (noun)	heart 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