egg-and-dart vs egg-and-tongue

egg-and-dart and egg-and-tongue both are nouns.

Word	Noun	Adjective	Verb	Adverb
egg-and-dart	Yes	No	No	No
egg-and-tongue	Yes	No	No	No

As nouns, egg-and-dart and egg-and-tongue are synonyms defined as:

egg-and-dart and egg-and-tongue: a decorative molding; a series of egg-shaped figures alternating with another shape

Other synonyms of egg-and-dart include egg-and-anchor.

egg-and-dart (noun)	egg-and-tongue (noun)
a decorative molding; a series of egg-shaped figures alternating with another shape	a decorative molding; a series of egg-shaped figures alternating with another shape