cleavage cavity vs blastocele

cleavage cavity and blastocele both are nouns.

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

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

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

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

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