wine making vs winemaking

wine making and winemaking both are nouns.

Word	Noun	Adjective	Verb	Adverb
wine making	Yes	No	No	No
winemaking	Yes	No	No	No

As nouns, wine making and winemaking are synonyms defined as:

wine making and winemaking: the craft and science of growing grapes and making wine

wine making (noun)	winemaking (noun)
the craft and science of growing grapes and making wine	the craft and science of growing grapes and making wine