cleavage cavity vs blastocoel

cleavage cavity and blastocoel both are nouns.

Word	Noun	Adjective	Verb	Adverb
cleavage cavity	Yes	No	No	No
blastocoel	Yes	No	No	No

As nouns, cleavage cavity and blastocoel are synonyms defined as:

cleavage cavity and blastocoel: the fluid-filled cavity inside a blastula

Other synonyms of cleavage cavity include blastocele, blastocoele, segmentation cavity.

cleavage cavity (noun)	blastocoel (noun)
the fluid-filled cavity inside a blastula	the fluid-filled cavity inside a blastula