sex vs usance

sex and usance both are nouns.

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

sex (noun)	usance (noun)
activities associated with sexual intercourse	accepted or habitual practice
the properties that distinguish organisms on the basis of their reproductive roles	(economics) the utilization of economic goods to satisfy needs or in manufacturing
all of the feelings resulting from the urge to gratify sexual impulses	the period of time permitted by commercial usage for the payment of a bill of exchange (especially a foreign bill of exchange)
either of the two categories (male or female) into which most organisms are divided

sex (verb)	usance (verb)
tell the sex (of young chickens)
to evoke sexual feelings