couvade vs custom

couvade and custom both are nouns.

Word	Noun	Adjective	Verb	Adverb
couvade	Yes	No	No	No
custom	Yes	Yes	No	No

As nouns, custom is a hypernym of couvade; that is, custom is a word with a broader meaning than couvade:

couvade: a custom among some peoples whereby the husband of a pregnant wife is put to bed at the time of bearing the child
custom: accepted or habitual practice

Other hypernyms of couvade include usage, usance.

couvade (noun)	custom (noun)
a custom among some peoples whereby the husband of a pregnant wife is put to bed at the time of bearing the child	accepted or habitual practice
	habitual patronage
	a specific practice of long standing
	money collected under a tariff

couvade (adjective)	custom (adjective)
	made according to the specifications of an individual