continuant vs continuance

continuant and continuance both are nouns.

Word	Noun	Adjective	Verb	Adverb
continuant	Yes	Yes	No	No
continuance	Yes	No	No	No

continuant (noun)	continuance (noun)
consonant articulated by constricting (but not closing) the vocal tract	the act of continuing an activity without interruption
	the property of enduring or continuing in time
	the period of time during which something continues

continuant (adjective)	continuance (adjective)
of speech sounds produced by forcing air through a constricted passage (as `f', `s', `z', or `th' in both `thin' and `then')