chockablock vs chuck-full

chockablock and chuck-full both are adjectives.

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

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

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

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