維基對這兩個字的說法:
Relating to movement of physical matter
• Slip (aerodynamic), an aerodynamic state in which an aircraft is moving sideways as well as forward relative to the oncoming airflow
Skid may refer to:
• Skid, a type of pallet, a metal, wood or plastic platform for holding machinery or equipment. Some pallets have planks across the bottom level, flush with the floor, but a skid has no planks along the full length or width to form a bottom level on the floor.