• oycnosis,
• lycnosis,
• -ycnosis,
• 0ycnosis,
• ptcnosis,
• pgcnosis,
• phcnosis,
• pucnosis,
• p7cnosis,
• p6cnosis,
• pyxnosis,
• pyvnosis,
• pycnosjis,
• pynosis,
• pcynosis,
• picnosis,
• pyknosis,
• pignosis,
• pycoonis,
• pyconis

• pyknosis.

The adjective form of the word "pycnosis" is "pycnotic".

The plural of the "pycnosis" can be the "pycnoses".

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