Synonyms

• nautilus
• schnorchel
• attack submarine
• breather
• fleet ballistic missile submarine
• submersible
• conning tower
• submarine
• sub
• auxiliary research submarine
• snorkel
• schnorkel
• asdic
• periscope
• snorkel breather
• sonar
• nuclear submarine
• echo sounder
• U-boat
• escape hatch
• nuclear-powered submarine