STRONG´S Greek-Hebrew Dictionary-NW2

3087 luchnia (lookh-nee'-ah);
from 3088; a lamp-stand (literally or figuratively):
KJV-- candlestick.

3088 luchnos (lookh'-nos);
from the base of 3022; a portable lamp or other illuminator (literally or figuratively):
KJV-- candle, light.