gamey vs mettlesome

gamey and mettlesome both are adjectives.

Word	Noun	Adjective	Verb	Adverb
gamey	No	Yes	No	No
mettlesome	No	Yes	No	No

As adjectives, gamey and mettlesome are synonyms defined as:

Other synonyms of gamey include game, gamy, gritty, spirited, spunky.

gamey (adjective)	mettlesome (adjective)
willing to face danger	willing to face danger
(used of the smell of meat) smelling spoiled or tainted	having a proud and unbroken spirit
suggestive of sexual impropriety