• nutnik,
• aputnik,
• zputnik,
• xputnik,
• dputnik,
• eputnik,
• wputnik,
• soutnik,
• slutnik,
• s-utnik,
• sputnuk,
• spoutnik,
• spuntik,
• sputink,
• spputnik,
• spuutnik,
• sputtnik,
• spetnaz,
• Sputnick,
• Sputnix

• spitting,
• spotting,
• spadoni,
• spittoon.

The adjective form of the word "sputnik" is "sputnikian".

The plural of the "sputnik" can be the "sputniks".

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