Gomorra = "submersion"
1] a city in eastern part of Judah that was destroyed when the Lord rained fire and brimstone on it; now covered by the Dead Sea
derivation: of Hebrew origin (06017)
http://bible.crosswalk.com/Lexicons/Greek/grk.cgi?number=1116&version=kjv

(06017)
1] the twin-city in evil with Sodom, both destroyed in judgment by God with fire from heaven
   1.a] of iniquity (fig.)
derivation: from (06014)
http://bible.crosswalk.com/Lexicons/Hebrew/heb.cgi?number=6017&version=kjv

(06014)
1] to bind sheaves
   1.a] (Piel) to gather
2] to manipulate, deal tyrannically with
   2.a] (Hithpael) to treat as a slave
derivation: a primitive root
http://bible.crosswalk.com/Lexicons/Hebrew/heb.cgi?number=6014&version=kjv

A link to each occurrence of this word in the homepage:
1] Gomorra