Here is a brief list of some common flavours and characters found in
Single Malt whisky, and a rough picture of the different taste-areas of the tongue:

almond paste apple beer
bilberry bread butter cereal chocolate
cinnamon cocoa cognac cookie cream
eucalyptus gooseberry grain
grass hazelnut honey lemon
liquorice marzipan orange peach
pear peat pepper rhubarb salt
Seville orange sherry sweets tar
toffee vanilla
ardent artificial balanced bitter
burnt complex creamy dry dull dusty
elegant estery exploding flowery fresh
fruity full harsh herby long luxurious
metallic mineraly nutty oaky oily perfumy
pure quick restrained rich salty silky
simple smoky smooth soft sour sourish
spicy straight sweet thick thin warming
watery woody