usance vs habit

usance and habit both are nouns.

Word	Noun	Adjective	Verb	Adverb
usance	Yes	No	No	No
habit	Yes	No	Yes	No

As nouns, habit is a hyponym of usance; that is, habit is a word with a more specific, narrower meaning than usance:

usance: accepted or habitual practice
habit: (psychology) an automatic pattern of behavior in reaction to a specific situation; may be inherited or acquired through frequent repetition

Other hyponyms of usance include Americanism, Anglicism, Britishism, consuetude, couvade, Germanism, use, hijab, rite, ritual.

usance (noun)	habit (noun)
accepted or habitual practice	excessive use of drugs
(economics) the utilization of economic goods to satisfy needs or in manufacturing	(psychology) an automatic pattern of behavior in reaction to a specific situation; may be inherited or acquired through frequent repetition
the period of time permitted by commercial usage for the payment of a bill of exchange (especially a foreign bill of exchange)	a distinctive attire worn by a member of a religious order
	attire that is typically worn by a horseback rider (especially a woman's attire)
	an established custom
	the general form or mode of growth (especially of a plant or crystal)

usance (verb)	habit (verb)
	put a habit on