fisherman's knot vs true lover's knot

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

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

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

fisherman's knot and true lover's knot: a knot for tying the ends of two lines together

Other synonyms of fisherman's knot include truelove knot.

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