forfeiture vs loss

forfeiture and loss both are nouns.

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

As nouns, loss is a hypernym of forfeiture; that is, loss is a word with a broader meaning than forfeiture:

forfeiture (noun)	loss (noun)
the act of losing or surrendering something as a penalty for a mistake or fault or failure to perform etc.	the act of losing someone or something
a penalty for a fault or mistake that involves losing or giving up something	the disadvantage that results from losing something
something that is lost or surrendered as a penalty	military personnel lost by death or capture
	the experience of losing a loved one
	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