chock-full vs chockablock

chock-full and chockablock both are adjectives.

Word	Noun	Adjective	Verb	Adverb
chock-full	No	Yes	No	No
chockablock	No	Yes	No	No

As adjectives, chock-full and chockablock are synonyms defined as:

Other synonyms of chock-full include chockful, choke-full, chuck-full, cram full.

chock-full (adjective)	chockablock (adjective)
packed full to capacity	packed full to capacity