not pictured, but uniball eye micro was my goat for high school and college. I had to do british standardized exams in high school which required black pen (not pencil). these guys write super smoothly and create really nice lines, but they take a sec or two to dry so you gotta be careful not to smudge.
I think #1 in the pic is a thicker version of these
Linguists are probably the least likely people to get upset at someone using the “wrong” word. they might pull out their notebook and start asking you questions though