complin vs canonical hour

complin and canonical hour both are nouns.

Word	Noun	Adjective	Verb	Adverb
complin	Yes	No	No	No
canonical hour	Yes	No	No	No

As nouns, canonical hour is a hypernym of complin; that is, canonical hour is a word with a broader meaning than complin:

complin: last of the seven canonical hours just before retiring
canonical hour: (Roman Catholic Church) one of seven specified times for prayer

complin (noun)	canonical hour (noun)
last of the seven canonical hours just before retiring	(Roman Catholic Church) one of seven specified times for prayer