mensal line vs line of heart

mensal line and line of heart both are nouns.

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

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

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

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

mensal 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