winemaking vs wine making

winemaking and wine making both are nouns.

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

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

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

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