This is the 5152nd most frequent Catalan word.
avellanes
Hazelnuts.
The term 'avellanes' is used to refer to the nut itself.
Les avellanes són un fruit sec popular.
Hazelnuts are a popular type of nut.
Here, 'avellanes' describes the flavor derived from hazelnuts.
M'agrada el gelat d'avellanes.
I like hazelnut ice cream.
In this case, 'avellanes' represents the agricultural product being collected.