flower vs ray floret

flower and ray floret both are nouns.

Word	Noun	Adjective	Verb	Adverb
flower	Yes	No	Yes	No
ray floret	Yes	No	No	No

As nouns, ray floret is a hyponym of flower; that is, ray floret is a word with a more specific, narrower meaning than flower:

flower: reproductive organ of angiosperm plants especially one having showy or colorful parts
ray floret: small flower with a flat strap-shaped corolla usually occupying the peripheral rings of a composite flower

Other hyponyms of flower include floret, floweret, apetalous flower, inflorescence, ray flower, bud, chrysanthemum.

flower (noun)	ray floret (noun)
a plant cultivated for its blooms or blossoms	small flower with a flat strap-shaped corolla usually occupying the peripheral rings of a composite flower
reproductive organ of angiosperm plants especially one having showy or colorful parts
the period of greatest prosperity or productivity

flower (verb)	ray floret (verb)
produce or yield flowers