Isn't this a case with any niche terms? For instance I've had the same issue with names of various kitchen tools and utensils - you know their name in your moth

Isn't this a case with any niche terms? For instance I've had the same issue with names of various kitchen tools and utensils - you know their name in your mother tongue, and when you need it you usually get away with: "give me, err, that thing", so you never pick up the proper name in English...