love knot vs true lover's knot

love knot and true lover's knot both are nouns.

Word	Noun	Adjective	Verb	Adverb
love knot	Yes	No	No	No
true lover's knot	Yes	No	No	No

As nouns, love knot and true lover's knot are synonyms defined as:

love knot and true lover's knot: a stylized or decorative knot used as an emblem of love

Other synonyms of love knot include lover's knot, lovers' knot, true lovers' knot.

love knot (noun)	true lover's knot (noun)
a stylized or decorative knot used as an emblem of love	a stylized or decorative knot used as an emblem of love
	a knot for tying the ends of two lines together