siphonophore vs praya

siphonophore and praya both are nouns.

Word	Noun	Adjective	Verb	Adverb
siphonophore	Yes	No	No	No
praya	Yes	No	No	No

As nouns, praya is a hyponym of siphonophore; that is, praya is a word with a more specific, narrower meaning than siphonophore:

siphonophore: a floating or swimming oceanic colony of polyps often transparent or showily colored
praya: colonial siphonophore of up to 130 ft long

Other hyponyms of siphonophore include nanomia, jellyfish, man-of-war, Portuguese man-of-war, apolemia.

siphonophore (noun)	praya (noun)
a floating or swimming oceanic colony of polyps often transparent or showily colored	colonial siphonophore of up to 130 ft long