to snuff a candle (to remove any excedent portion of a candle's wick that is charred); to brighten up, to enliven, to make smart or smarter; to wake up; to pay attention, watch out; to hurry up
space (distance between things); space (physical extent across two or three dimensions); space (physical extent in all directions; the universe beyond the earth's atmosphere); space (the near-vacuum in which celestial bodies are situated); space (the physical and psychological area one needs)
sword (a long bladed weapon with a grip and typically a pommel and crossguard (together forming a hilt), which is designed to cut, stab, slash and/or hack); spade (playing card marked with the symbol ♠); épée (fencing sword of a certain modern type); sword (the weapon used as a heraldic charge)