• gasline,
• gaseline,
• gazoline,
• fas line,
• vas line,
• has line,
• yas line,
• tas line,
• gzs line,
• gss line,
• gws line,
• gqs line,
• gaa line,
• gaz line,
• gax line,
• gad line,
• gas kine,
• gas pine,
• gas oine,
• gas lune

The adjective form for "gas line" can be "gasoline" or "gaseous".

The plural form of the word "gas line" is "gas lines".

The singular form of the word "gas line" is "gas line" itself.