Common: at sign; at; strudel. Rare: each; vortex; whorl;
[whirlpool]; cyclone; snail; ape; cat; rose; cabbage;
.

V
Rare: [book].

[]
Common: left/right square bracket; ;
bracket/unbracket; left/right bracket. Rare: square/unsquare;
[U turn/U turn back].

\
Common: backslash; escape (from C/UNIX); reverse slash; slosh;
backslant; backwhack. Rare: bash; ; reversed
virgule; [backslat].

^
Common: hat; control; uparrow; caret; . Rare:
chevron; [shark (or shark-fin)]; to the (`to the power of');
fang; pointer (in Pascal).

_
Common: ; underscore; underbar; under. Rare:
score; backarrow; skid; [flatworm].

`
Common: backquote; left quote; left single quote; open quote;
; grave. Rare: backprime; [backspark];
unapostrophe; birk; blugle; back tick; back glitch; push;