ogee vs cyma

ogee and cyma both are nouns.

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

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

ogee: a molding that (in section) has the shape of an S with the convex part above and the concave part below
cyma: (architecture) a molding for a cornice; in profile it is shaped like an S (partly concave and partly convex)

Other hypernyms of ogee include cymatium.

ogee (noun)	cyma (noun)
a molding that (in section) has the shape of an S with the convex part above and the concave part below	(architecture) a molding for a cornice; in profile it is shaped like an S (partly concave and partly convex)