love knot vs lovers' knot

love knot and lovers' knot both are nouns.

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

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

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

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

love knot (noun)	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