payable vs collectible

payable and collectible both are nouns.

Word	Noun	Adjective	Verb	Adverb
payable	Yes	Yes	No	No
collectible	Yes	Yes	No	No

As adjectives, payable and collectible are synonyms defined as:

payable and collectible: subject to or requiring payment especially as specified

Other synonyms of payable include collectable.

payable (noun)	collectible (noun)
a liability account showing how much is owed for goods and services purchased on credit	things considered to be worth collecting (not necessarily valuable or antique)

payable (adjective)	collectible (adjective)
subject to or requiring payment especially as specified	subject to or requiring payment especially as specified