Some words selected from our dictionary:
Subject: Winemaking
Afrikaans: tiolise
Xhosa: ithiyolisisi
Subject: Botany
Afrikaans: ascomycetes
Xhosa: i-askomayisitisi
Subject: Biochemistry
Afrikaans: chitien
Xhosa: itshithini
Subject: Grapevine disease
English - ivumba elibi
Isifanakuthi okanye isisthethanonye: incasa embi

English: off-flavour
adjective
Subject: Wine fault
slightly offensive odour or taste in a wine and considered a fault.
Afrikaans: wangeur
byvoeglike naamwoord
Onderwerp: Wynfout
effense onaangename geur of smaak in 'n wyn, en as 'n fout beskou.