haymaker vs farm machine

haymaker and farm machine both are nouns.

Word	Noun	Adjective	Verb	Adverb
haymaker	Yes	No	No	No
farm machine	Yes	No	No	No

As nouns, farm machine is a hypernym of haymaker; that is, farm machine is a word with a broader meaning than haymaker:

haymaker: a farm machine that treats hay to cause more rapid and even drying
farm machine: a machine used in farming

haymaker (noun)	farm machine (noun)
a hard punch that renders the opponent unable to continue boxing	a machine used in farming
a farm machine that treats hay to cause more rapid and even drying