Aglet.
Bollard.
Dingbat.
Ferrule.
Keeper.
Kerf. Punt (or kick).
Philtrum.
Phosphenes.
Tragus.
I knew exactly one and somewhat unsurprisingly, it was "dingbat".
(As an aside, there is a book called "The Joy of Lex" that was one of my absolute favourites as a kid. If you're a fan of words and language and linguistics, I highly recommend it and it's sequel, "More Joy of Lex")Ten Whatchamacallits And Their Real Names - The List Universe
[Edit: I can't believe I used the wrong "its" in that last line, especially in a post about language! I know the rules for (most of) the typical grammar mistakes - honest - but frequently find that my brain and hands don't always keep up to each other when typing.]
