is that taxel is (computing|electronics) a tactile element in robotics etc while taxol is (chemistry|pharmacology) a taxane, c47h51no14, used to treat cancer; taxol.
is that taxel is (computing|electronics) a tactile element in robotics etc while tael is any of several units of measure used in china and elsewhere in eastern asia, approximately 40 grams.
is that taxel is a tactile element in robotics etc while texel is an image representing the smallest unit of a texture, containing no repeated sections, that may be repeated to tile a region of the display.