Strong's #1117: gomos (pronounced gom'-os)
 from 1073; a load (as filling), i.e. (specially) a cargo, or (by extension) wares:--burden, merchandise.
Thayer's Greek Lexicon:
 ́ 
 
  gomos 
 
 1) a lading or freight of a ship, cargo, merchandise conveyed in a ship
 2) any merchandise
 
  Part of Speech: noun masculine
Relation: from G1073
 
Usage:
This word is used 3 times:
Acts 21:3: "ship was to unlade  her burden."
Revelation 18:11: "no man buyeth their  merchandise any more:"
Revelation 18:12: " The merchandise of gold, and silver, and precious stones, and"