love knot vs lover's knot

love knot and lover's knot both are nouns.

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

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

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

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

love knot (noun)	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