loss vs gain

loss and gain both are nouns.

Word	Noun	Adjective	Verb	Adverb
loss	Yes	No	No	No
gain	Yes	No	Yes	No

loss (noun)	gain (noun)
the act of losing someone or something	the amount of increase in signal power or voltage or current expressed as the ratio of output to input
the disadvantage that results from losing something	the advantageous quality of being beneficial
military personnel lost by death or capture	the amount by which the revenue of a business exceeds its cost of operating
the experience of losing a loved one	a quantity that is added
euphemistic expressions for death
the amount by which the cost of a business exceeds its revenue
something that is lost
gradual decline in amount or activity

loss (verb)	gain (verb)
	increase (one's body weight)
	rise in rate or price
	increase or develop
	obtain advantages, such as points, etc.
	reach a destination, either real or abstract
	earn on some commercial or business transaction; earn as salary or wages
	win something through one's efforts
	derive a benefit from
	obtain