collect vs lay in

collect is a noun but lay in is not a noun.

Word	Noun	Adjective	Verb	Adverb
collect	Yes	Yes	Yes	Yes
lay in	No	No	Yes	No

As verbs, lay in is a hypernym of collect; that is, lay in is a word with a broader meaning than collect:

Other hypernyms of collect include hive away, put in, salt away, stack away, stash away, store.

collect (noun)	lay in (noun)
a short prayer generally preceding the lesson in the Church of Rome or the Church of England

collect (adjective)	lay in (adjective)
payable by the recipient on delivery

collect (verb)	lay in (verb)
assemble or get together	keep or lay aside for future use
get or bring together
get or gather together
call for and obtain payment of
gather or collect

collect (adverb)	lay in (adverb)
make a telephone call or mail a package so that the recipient pays