love knot vs true lovers' knot

love knot and true lovers' knot both are nouns.

Word	Noun	Adjective	Verb	Adverb
love knot	Yes	No	No	No
true lovers' knot	Yes	No	No	No

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

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

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

love knot (noun)	true lovers' knot (noun)
a stylized or decorative knot used as an emblem of love	a stylized or decorative knot used as an emblem of love