cleavage cavity vs blastocoele

cleavage cavity and blastocoele both are nouns.

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

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

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

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

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