cyma recta vs cyma

cyma recta and cyma both are nouns.

Word	Noun	Adjective	Verb	Adverb
cyma recta	Yes	No	No	No
cyma	Yes	No	No	No

As nouns, cyma is a hypernym of cyma recta; that is, cyma is a word with a broader meaning than cyma recta:

cyma recta: a cyma in which the upper section is concave and the lower section is convex
cyma: (architecture) a molding for a cornice; in profile it is shaped like an S (partly concave and partly convex)

Other hypernyms of cyma recta include cymatium.

cyma recta (noun)	cyma (noun)
a cyma in which the upper section is concave and the lower section is convex	(architecture) a molding for a cornice; in profile it is shaped like an S (partly concave and partly convex)