• lenguish,
• langwish,
• clingfissh,
• clyngfish,
• kyngfish,
• longfish,
• lunghfish,
• lunfish,
• lungfissh,
• lengfish,
• ludefisk,
• hundfish,
• lueskish,
• lungfishs,
• lungfishe,
• fyingfish,
• tunifish,
• Hundffish,
• Houngfish,
• lungefish

The adjective form of the word "lungfish" is "lungfish-like".

The plural of the "lungfish" can be the "lungfishs".

The singular of the "lungfish" can be the "lungfish".